Inventor Community Patent # Filing Date Issue Date Invention Garrigus, Charles H. Bloomington 499,982 02 Feb 1893 20 Jun 1893 Trace Holder Garrigus, Charles H. Bloomington 595,564 20 Sep 1897 14 Dec 1897 Garment Hanger Garrigus, Matilda C. Bloomington 595,564 20 Sep 1897 14 Dec 1897 Garment Hanger Gaston, John R. Normal 130,913 27 Aug 1872 Improvement in Hot Air Furnaces Gerken, William Bloomington 279,021 30 Mar 1883 05 Jun 1883 Spark Arrester Gilmore, Ira F. LeRoy 375,741 27 Sep 1887 03 Jan 1888 Seeder and Cultivator Gilmore, Ira F. Bloomington 451,667 17 Oct 1890 05 May 1891 Musical Instrument Gladding, James W. Normal 109,888 06 Dec 1870 Improvement in Bee Hives Goddard, F. A. Lexington 29,433 21 Jul 1860 Improvement in Corn Planters Goetsh, Friederich Bloomington 152,742 09 Feb 1874 07 Jul 1874 Improvement in Paving Compositions Gowdy, James B. Oak Grove 500,883 01 Nov 1892 04 Jul 1893 Fence Post Gowdy, John F. Bloomington 155,531 04 Apr 1874 29 Sep 1874 Improvement in Car Couplings Graham, Robert O. Bloomington 527,421 17 Apr 1894 16 Oct 1894 Oil Pump Graham, Robert O. Bloomington 527,422 30 Apr 1894 01 Oct 1894 Oil Pump Grant, William W. Bloomington 132,280 15 Oct 1872 Improvement in Washing Machines Gray, Richard Bloomington 200,655 01 Nov 1877 26 Feb 1878 Improvement in Gates Gray, Richard Bloomington 202,021 25 Mar 1878 02 Apr 1878 Improvement in Railway Switches Gray, Richard Bloomington 214,503 25 Mar 1879 22 Apr 1879 Improvement in Devices for Converting Motion Gray, Richard Bloomington 227,244 30 Mar 1880 04 May 1880 Device for Converting Motion Gray, Richard Bloomington 307,541 06 Mar 1883 04 Nov 1884 Metallic Pile Gray, Richard Bloomington 317,764 30 Mar 1885 12 May 1885 Pile Coupling Gray, Richard Bloomington 414,700 31 Jul 1888 12 Nov 1889 Pile Gray, Richard Bloomington 520,047 02 Oct 1893 22 May 1894 Metallic Column or Pile Gray, Richard Bloomington 343,634 21 Apr 1885 15 Jun 1886 Clinometer Gray, Thomas J. Goodland, Indiana 200,655 01 Nov 1877 26 Feb 1878 Improvement in Gates Green, J. P. Bloomington 17,088 21 Apr 1857 Improvement in Automatic Rakes for Havesting Machines Griffith, Samuel R. Bloomington 193,243 27 Jun 1877 17 Jul 1877 Improvement in Fruit Driers Grigler, Julius W. Bloomington 612,310 23 Nov 1896 11 Oct 1898 Sash Fastener Grove, David Ellsworth 414,809 16 Jul 1889 12 Nov 1889 Reel for Winding Wire Grove, David Ellsworth 444,219 15 Mar 1890 06 Jan 1891 Reel for Winding and Unwinding Wire