Inventor Community Patent # Filing Date Issue Date Invention Waddington, George LeRoy 100,955 15 Mar 1870 Combined Hedge Trimmer and Mower Waddington, George W. Bloomington 514,376 30 Jun 1893 06 Feb 1894 Steam and Hot Water Boiler Waddington, William A. Bloomington 514,376 30 Jun 1893 06 Feb 1894 Steam and Hot Water Boiler Wagenfuehr, Augustus Bloomington 148,452 12 Jan 1874 10 Mar 1874 Improvement in Wood Grinders for Paper Pulp Wakefield, Oscar Bloomington 217,177 12 Mar 1878 01 Jul 1879 Improvement in Paper Pilers for Printing Presses Walton Plow Co. Bloomington 447,472 02 Dec 1890 03 Mar 1891 Harrow Washburn, E. Normal 66,334 02 Jul 1867 Improved Sorghum Evaporator Waters, Frank R. Bloomington 302,366 19 Feb 1884 22 Jul 1884 Pencil Sharpener Waters, Orin Bloomington 217,177 12 Mar 1878 01 Jul 1879 Improvement in Paper Pilers for Printing Presses Waters, Zera Bloomington 80,374 28 Jul 1868 Improved Hat Holder Waters, Zera Bloomington 93,138 09 Apr 1869 27 Jul 1869 Improvements in Gig Sawing Machine Waters, Zera Bloomington 93,144 27 Jul 1869 Improvement in Combined Abdominal and Uterine Supporter Waters, Zera Bloomington 134,500 31 Dec 1872 Improvement in Composition Pavements Waters, Zera Bloomington 191,273 31 Oct 1876 29 May 1877 Improvement in Pavements Watkins, Charles S. Bloomington 608,940 11 Nov 1897 09 Aug 1898 Rein Clasp Welch, William H. Bloomington 94,459 31 Aug 1869 Improved Rotary Washing Machine Welch, William H. Bloomington 106,296 09 Aug 1870 Improvement in Washing Machines Welch, William H. Bloomington 139,984 05 Mar 1873 17 Jun 1873 Improvement in Coffee Roasters Welch, William H. Bloomington 146,498 06 Sep 1873 13 Jan 1874 Improvement in Washing Machines Wells, Richard Bloomington 93,378 03 Aug 1869 Improved Railway Car Coupling West, Isaac N. Bloomington 460,356 26 Mar 1891 29 Sep 1891 Whiffletree Attachment for Vehicles Westerman, Conrad L. Bloomington 149,172 17 Feb 1874 31 Mar 1874 Improvement in Car Couplings Westerman, Conrad L. Bloomington 204,117 18 Apr 1878 21 May 1878 Improvement in Egg Testers Westinghouse, George Jr. Pittsburg, Pennsylvania 163,242 13 Mar 1875 11 May 1875 Improvement in Valves for Air Brakes Whitcomb, William A. Downs 607,721 30 Sep 1897 19 Jul 1898 Gate Whitcomb, William A. Downs 615,772 31 May 1898 13 Dec 1898 Gate White, Charles A. Towanda 595,359 23 Feb 1897 14 Dec 1897 Corn Sheller White, David Normal 137,522 07 Feb 1873 01 Apr 1873 Improvement in Carpet Stretchers White, F. Bloomington 89,154 20 Apr 1869 Improvement in Automatic Weighing Machine White, John F. Bloomington 639,837 10 Aug 1899 26 Dec 1899 Combination Ironing Table White, Michael B. McLean County 143,481 26 Dec 1872 07 Oct 1873 Improvement in Wheels for Vehicles White, Willaim Richard Bloomington 493,539 08 Aug 1892 14 Mar 1893 Gate White, Willaim Richard Bloomington 614,682 11 May 1898 22 Nov 1898 Gate White, William Richard Bloomington 446,605 22 Nov 1890 17 Feb 1891 Gate White, William Richard Bloomington 456,974 20 Feb 1891 04 Aug 1891 Gate White, William Richard Bloomington 461,061 22 Apr 1891 13 Oct 1891 Swinging Gate White, William Richard Bloomington 463,324 22 Jul 1891 17 Nov 1891 Gate White, William Richard Bloomington 464,235 08 May 1891 01 Dec 1891 Sliding Gate White, William Richard Bloomington 493,538 03 Jun 1892 14 Mar 1893 Gate White, William Richard Bloomington 496,926 11 Oct 1892 09 May 1893 Gate Hinge White, William Richard Bloomington 503,887 24 May 1892 22 Aug 1893 Swinging Gate White, William Richard Bloomington 552,943 16 Mar 1895 14 Jan 1896 Operating Mechanism for Gates White, William Richard Bloomington 574,649 06 Apr 1895 05 Jan 1897 Gate White, William Richard Bloomington 577,092 06 May 1896 16 Feb 1897 Gate White, William Richard Bloomington 577,093 02 Nov 1896 16 Feb 1897 Fence White, William Richard Bloomington 583,350 24 Mar 1897 25 May 1897 Gate White, William Richard Bloomington 583,558 26 Dec 1894 01 Jun 1897 Gate (Patented is England 20 Aug 1894 # 15,845) White, William Richard Bloomington 584,280 26 Mar 1897 08 Jun 1897 Gate White, William Richard Bloomington 587,415 12 Mar 1895 03 Aug 1897 Gate White, William Richard Bloomington 593,146 16 Oct 1896 02 Nov 1897 Gate White, William Richard Bloomington 593,757 23 Mar 1897 16 Nov 1897 Swinging Gate White, William Richard Bloomington Design # 31,550 01 Sep 1899 26 Sep 1899 Design for an Operating Bar for Gate Latches White, William Richard Bloomington Design # 31,750 02 Oct 1899 31 Oct 1899 Design for a Gate Hinge White, William Richard Bloomington Design # 31,974 02 Oct 1899 12 Dec 1899 Design For a Latch Lever Whitmore, William D. Bloomington 100,477 01 Mar 1870 Improvement in Piston Packing Wilkins, Morris D. Bloomington 195,427 20 Aug 1877 18 Sep 1877 Improvement in Automatic Receiving Tables for Printing Presses Willard P. Brooks Bloomington 93,593 10 Aug 1869 Improvement in Three Horse Equalizers Willhoite, Henry L. Colfax 315,366 06 Mar 1884 07 Apr 1885 Combined Hay Rake and Loader Williams, Harry M. Bloomington 371,156 21 Jun 1887 04 Oct 1887 Car Axle Box Williams, Harry M. Bloomington 567,017 02 Nov 1895 01 Sep 1896 Recorder Williams, Harry M. Bloomington 590,249 22 Apr 1896 21 Sep 1897 Combined Till Alarm and Lock Wilmeth, Isaiah White Bloomington 118,149 15 Aug 1871 Improvement in Ice Cream Freezers Wilson, David H. Normal 457,296 25 Aug 1890 04 Aug 1891 Electric Fence Station Device Wilson, William Bloomington 330,279 12 Jun 1885 10 Nov 1885 Car Coupling Wilson, William Bloomington 333,706 02 Nov 1885 05 Jan 1886 Valve Gear Wilson, William Bloomington 339,961 19 Dec 1885 13 Apr 1886 Steam Engine Wilson, William Bloomington 353,044 02 Nov 1885 23 Nov 1886 Valve Gear for Steam Engines Wilson, William Bloomington 357,256 11 Nov 1888 08 Feb 1887 Valve Gear Wilson, William Bloomington 361,738 03 Nov 1880 26 Apr 1887 Spark Arrester Witmore, William D. Bloomington 105,007 05 Jul 1870 Improved Machine for Turning Crank Pins Woiceski, William A. Bloomington 495,444 09 Apr 1892 11 Apr 1893 Axle Gage Woiceski, Willim Bloomington 142,317 03 Jul 1873 26 Aug 1873 Improvement in Punching Machines Wolcott, John L. Bloomington 219,841 16 Apr 1879 23 Sep 1879 Improvement in Show Cases for Coffins Wood, Walter A. Mowing & Reaping Machine Co. Hoosick Falls, New York Reissue # 6,339 01 Feb 1875 18 Aug 1875 Improvement in Harvester Rakes (Patent # 18,009) Woodard, Francis C. Gridley 347,282 06 Nov 1885 10 Aug 1886 Combined Tile Ditcher and Grader Woodruff, John W. Bloomington 183,634 23 Sep 1876 24 Oct 1876 Improvement in Egg Carriers Woolsey, Gilbert R. Normal 206,912 20 Feb 1878 13 Aug 1878 Improvement in Driving Reins for Two Horses Worden, John Normal 68,275 27 Aug 1867 Improved Washing Machine