| All Patents in class 74/116 |
Patents 1 -
8
of 8
      |
| Picture | Number | Date | Patentee | Title |
| | 309,066 | Dec. 09, 1884 | C.A. Lamphere | Key Seat Cutter |
| | 363,966 | May 31, 1887 | J. Price | Traction Engine |
| | 685,145 | Oct. 22, 1901 | H. John | Transmission or Coupling Device for Power Engines or Machines |
| | 1,223,339 | Apr. 17, 1917 | F.W. Herrmann, A.E. Robinson | Operating Mechanism for Shapers |
 | 1,255,315 | Feb. 05, 1918 | F.A. Jimerson | Ratchet operating mechanism for drills |
 | 2,670,636 | Mar. 02, 1954 | F.G. Burg | Machine tool of the drill press type having multiple rotary tools |
 | 3,270,595 | Sep. 06, 1966 | J.A. Blachowski, E.L. Hall | Offset Drive Attachment with Reversing Means |
| | 5,237,885 | Aug. 24, 1993 | K.C. Happ, M.S. Scolaro, G.A. Putney | Ratchet Tool |
