| All Patents in class 74/473.1 |
Patents 1 -
10
of 26
      |
| Picture | Number | Date | Patentee | Title |
| | 588,877 | Aug. 24, 1897 | C. Quast | Traction Engine |
| | 862,075 | Jul. 30, 1907 | E. Henrikson | Speed-Box and Brake-Operating Mechanism |
| | 1,185,064 | May 30, 1916 | F.F. Clarke | Clutch Gearing for Machine Tools |
| | 1,495,080 | May 20, 1924 | D.C. Klausmeyer | Self Indicating Variable Spindle Drive |
| | 1,660,477 | Feb. 28, 1928 | C.M. Conradson | Radial Drilling Machine |
| | 1,683,448 | Sep. 04, 1928 | C.M. Conradson | Selective Geared Head Lathe |
| | 1,686,240 | Oct. 02, 1928 | D.C. Klausmeyer | Multiple-lever twenty-four-speed mechanism |
| | 1,686,383 | Oct. 02, 1928 | D.C. Klausmeyer | Cam Controlled Twenty-Four Speed Mechanism |
 | 1,817,036 | Aug. 04, 1931 | R.S. Condon, E.J. Kearney | Rate change device |
| | 1,916,914 | Jul. 04, 1933 | A.F. Bennett | Control Mechanism for Machine Tools |
