All Patents in class 74/437 |
Patents 1 -
7
of 7
|
Number | Date | Patentee | Title | Type |
88,040 | Mar. 23, 1869 | H.R. Huling | Improvement in mechanical movement | human powered machines |
184,419 | Nov. 14, 1876 | G.A. Ohl | Metal-Shaping Machine | metal shapers |
314,221 | Mar. 24, 1885 | C.M. Carnahan | Machine for Splitting Bars and Sheets of Iron or Steel | punch presses |
330,391 | Nov. 17, 1885 | A.T. Gifford | Milling-machine | milling machines |
432,936 | Jul. 22, 1890 | A.T. Gifford | Milling-machine | milling machines |
525,781 | Sep. 11, 1894 | J.W. Boynton | Mechanism for Taking Up Lost Motion | metalworking machine mechanisms |
579,708 | Mar. 30, 1897 | E.R. Fellows | Gear-shaping machine | gear making machines |