| All Patents in class 279/24 |
Patents 1 -
12
of 12
      |
| Number | Date | Patentee | Title | Type |
| 204,812 | Jun. 11, 1878 | R.S. Gladding | Improvement in Screw-Drivers | screwdriver blades |
| 641,122 | Jan. 09, 1900 | H.O. Kruschke | Scythe Wrench | auxiliary wrenches |
| 659,523 | Oct. 09, 1900 | Z.T. Furbish | Screwdriver, &c., Handle | screwdriver handles |
| 717,199 | Dec. 30, 1902 | G.H. Hollm | Tapping Fixture | tap and die holders |
| 750,182 | Jan. 19, 1904 | Z.T. Furbish | Reversible Screw-Driver | screwdriver mechanisms |
| 873,977 | Dec. 17, 1907 | J.J. Albrecht | Ratchet Wrench | ratchet wrenches |
| 902,387 | Oct. 27, 1908 | T.J. Fegley | Detachable-blade screw-driver | screwdrivers |
| 1,080,560 | Dec. 09, 1913 | P.E. Johanson | Universal Tool Holder | screwdriver blades |
| 1,428,840 | Sep. 12, 1922 | W.H. Gates | Combination Socket Wrench | ratchet wrenches |
| 1,814,655 | Jul. 14, 1931 | R.W. Andreasson | Tool Holder | drilling and boring tool holders |
| 1,917,531 | Jul. 11, 1933 | J.F. Lincoln | Electric Arc Welding Apparatus | welding machines |
| 2,158,728 | May 16, 1939 | F.W. Peters | Tool Handle | screwdriver handles |
