Patents for John M. Rauhoff |
Patents 1 -
14
of 14
|
Number | Date | Patentee | Title | Type |
560,281 | May 19, 1896 | J.M. Rauhoff | Worm-screw | hand drills |
575,734 | Jan. 26, 1897 | J.M. Rauhoff | Drilling or similar tool | spiral screwdrivers |
575,988 | Jan. 26, 1897 | J.M. Rauhoff | Clutch | friction clutches |
588,779 | Aug. 24, 1897 | J.M. Rauhoff | Check-valve | |
588,879 | Aug. 24, 1897 | J.M. Rauhoff | Tool | spiral screwdrivers |
597,154 | Jan. 11, 1898 | J.M. Rauhoff | Worm and worm-gear | |
635,592 | Oct. 24, 1899 | J.M. Rauhoff | Soap holder and distributer | |
677,373 | Jul. 02, 1901 | J.M. Rauhoff | Bicycle-handle | bicycles and tricycles |
692,345 | Feb. 04, 1902 | J.M. Rauhoff | Washing-machine | washing machines |
699,013 | Apr. 29, 1902 | J.M. Rauhoff | Mechanism for converting motion | |
830,003 | Sep. 04, 1906 | J.M. Rauhoff | Process of rendering cement blocks waterproof | |
1,000,944 | Aug. 15, 1911 | J.M. Rauhoff | Concrete composition | |
1,467,115 | Sep. 04, 1923 | J.M. Rauhoff | Broom | brushes or brooms |
1,727,042 | Sep. 03, 1929 | J.M. Rauhoff | Broom-winding machine | brushes or brooms |