| All Patents in class 279/23.1 |
Patents 1 -
8
of 8
      |
| Number | Date | Patentee | Title | Type |
| 445,696 | Feb. 03, 1891 | E.L. Bowers, W.L. Grout | Gripping Device for Lathes | metal lathe accessories and attachments |
| 445,697 | Feb. 03, 1891 | E.L. Bowers, W.L. Grout | Gripping Device for Lathes | metal lathe accessories and attachments |
| 499,289 | Jun. 13, 1893 | W. Frasier | Lathe Attachment | metal lathe accessories and attachments |
| 959,690 | May 31, 1910 | C.R. Anderson | Ratchet Wrench | ratchet wrenches |
| 1,433,163 | Oct. 24, 1922 | A.L. Walters | Speed Wrench Handle | wrench handle components |
| 2,037,681 | Apr. 14, 1936 | C.S. Gates | Tool Holder | tool holders |
| 2,105,330 | Jan. 11, 1938 | W.H. Pagenkopf | Tool Holder | metalworking machine tool holders |
| 2,641,478 | Jun. 09, 1953 | J.A. Sigg | Screwdriver | screwdriver mechanisms |
