| All Patents in class 74/569 |
Patents 1 -
11
of 11
      |
| Number | Date | Patentee | Title | Type |
| 6,092 | Feb. 06, 1849 | H. Allen | Adjustable Lever Cut-Off with Secondary Toe | |
| 6,093 | Feb. 06, 1849 | H. Allen | Adjustable Lever Cut-Off with Secondary Toe | |
| 644,310 | Feb. 27, 1900 | F. Harrington, L.C. Woerner | Multiple Spindle Screw Machine | screw machines |
| 646,397 | Mar. 27, 1900 | W.H. Thorne, J.S. Bancroft | Grinding-Machine | tool grinders |
| 657,662 | Sep. 11, 1900 | F.A. La Roche | Controlling Means for Explosive-Engines | gas and gasoline engines |
| 1,969,763 | Aug. 14, 1934 | J.C. Sharp | Locomotive Piston and Rod Crosshead | steam engines |
| 1,997,890 | Apr. 16, 1935 | E.L. Wall | Universal Tracer | hydraulic apparatus |
| 2,348,364 | May 09, 1944 | H.W. Ruppel | Turret actuating mechanism | turret lathes |
| 2,638,068 | May 12, 1953 | L. Eickemeyer, C. Woessner, J. Gottlieb | Adjustable sewing machine feed | |
| 2,814,964 | Dec. 03, 1957 | C.H. Werth | Contour boring and turning machine | vertical boring mills |
| 3,058,365 | Oct. 16, 1962 | W.R. Gerchow | Speed change device | |
