| All Patents in class 279/100 |
Patents 1 -
13
of 13
      |
| Number | Date | Patentee | Title | Type |
| 18,112 | Sep. 01, 1857 | G.N. Trowbridge | Improved socket-coupling for lathes | wood lathe chucks |
| 83,463 | Oct. 27, 1868 | T.S. Coffin | Improved Hammer | framing hammers |
| 307,166 | Oct. 28, 1884 | J.W. Benson | Incandescent electric lamp | |
| 418,167 | Dec. 31, 1889 | T.E. Copelin | Screwdriver | screwdrivers |
| 527,064 | Oct. 09, 1894 | M.C. Johnson | Driving-clutch | metal lathes |
| 635,767 | Oct. 31, 1899 | W. Gleason | Wrench | quick adjust wrenches |
| 785,351 | Mar. 21, 1905 | W.W. Doolittle | Tool Holder | drilling and boring tool holders |
| 801,566 | Oct. 10, 1905 | P.B. Bloedel, A. Bennett | Brace-drill | geared braces |
| 1,033,661 | Jul. 23, 1912 | C. Berry | Tool Handle Holder | tool handles |
| 1,252,082 | Jan. 01, 1918 | A. Bock | Cutting Tool | stonemason |
| 1,378,290 | May 17, 1921 | J.H. Smith | Adjustable Tool Holder | drilling and boring tool holders |
| 1,861,246 | May 31, 1932 | J.H. Smith | Adjustable Tool Holder | drilling and boring tool holders |
| 2,043,598 | Jun. 09, 1936 | A. Subia | Adjustable Tool Holder | drilling and boring tool holders |
