| All Patents in class 74/325 |
Patents 1 -
10
of 26
      |
| Picture | Number | Date | Patentee | Title |
 | 525,863 | Sep. 11, 1894 | S.W. Putnam | Metal Turning Lathe |
| | 635,013 | Oct. 17, 1899 | J. Flather | Swinging Shelf for Gears |
| | 698,008 | Apr. 22, 1902 | F.W. Gordon | Change Gearing |
 | 1,167,887 | Jan. 11, 1916 | F.F. Clarke | Drill-press |
| | 1,659,437 | Feb. 14, 1928 | G.E. Merryweather | Double Take-Off Gear |
| | 1,961,524 | Jun. 05, 1934 | L.F. Nenninger | Milling Machine |
 | 1,971,956 | Aug. 28, 1934 | W.G. Hoelscher | Lathe |
 | 1,982,612 | Nov. 27, 1934 | W.G. Hoelscher | Feed box transmission |
| | 2,002,816 | May 28, 1935 | H.R. Isler | Machine Tool Drive |
| | 2,022,436 | Nov. 26, 1935 | L.L. Schauer, A.M. Sosa | Convertible upright drill |
