| Inventor |
Community |
Patent # |
Filing Date |
Issue Date |
Invention |
| O'Donald, James |
Clinton, Illinois |
111,666 |
|
07 Feb 1871 |
Improvement in Vapor Burners |
| O'Neil Crossing Alarm Co. |
Illinois |
562,639 |
01 May 1896 |
23 Jun 1896 |
Automatic Railway Signal |
| O'Neill, Richard J. |
Bloomington |
620,168 |
22 Aug 1898 |
28 Feb 1899 |
Steam Boiler |
| Ohr, Florence |
Normal |
315,323 |
24 Nov 1884 |
07 Apr 1885 |
Piano Stool |
| Orendorff, Oliver H. |
Bloomington |
562,909 |
23 Apr 1896 |
30 Jun 1896 |
Fence Post |
| Otto, Henry |
Bloomington |
160,946 |
09 Jan 1875 |
16 Mar 1875 |
Improvement in Pipe Wrenches |
| Otto, Henry |
Bloomington |
186,948 |
03 Nov 1876 |
06 Feb 1877 |
Improvement in Lawn Mowers |
| Otto, Henry |
Bloomington |
290,650 |
14 May 1883 |
18 Dec 1883 |
Balanced Slide Valve |
| Otto, Henry |
Bloomington |
290,998 |
06 Aug 1883 |
25 Dec 1883 |
Flue Cleaning Machine |
| Otto, Henry |
Bloomington |
341,766 |
31 Dec 1885 |
11 May 1886 |
Boring Bar |
| Otto, Henry |
Bloomington |
419,345 |
08 Nov 1889 |
14 Jan 1890 |
Wind Motor |
|
