| All Patents in class 74/569 | 
| Patents 1 - 
					13
					of 13 
       | 
| 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 | 
| 857,893 | Jun. 25, 1907 | G.H. Newton | Screw-Machine | screw machines | 
| 1,969,763 | Aug. 14, 1934 | J.C. Sharp | Locomotive Piston and Rod Crosshead | steam locomotives | 
| 1,997,890 | Apr. 16, 1935 | E.L. Wall | Universal Tracer | hydraulic apparatus | 
| 2,259,291 | Oct. 14, 1941 | P.E. Chapman | Traverse mechanism for winding machines | electric motor making | 
| 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 |  |