| All Patents in class 279/96 |
Patents 1 -
11
of 11
      |
| Number | Date | Patentee | Title | Type |
| 105,919 | Aug. 02, 1870 | J.B. Davids | Improvement in Tool-Handles | tool handles |
| 393,420 | Nov. 27, 1888 | F. Chantrell | Screw Driver | screwdrivers |
| 491,189 | Feb. 07, 1893 | F.J. Reinhold, A. Reinhold | Combination Tool | |
| 1,353,043 | Sep. 14, 1920 | J.E. Hultberg | Tool handle | |
| 1,448,895 | Mar. 20, 1923 | H.A. Yotta | Tool | screwdriver mechanisms |
| 1,888,222 | Nov. 22, 1932 | A.E. Keating, H.B. Curtis | Screw Driver | screwdrivers |
| 2,046,733 | Jul. 07, 1936 | H.S. Forsberg | Hand tool | screwdrivers |
| 2,378,775 | Jun. 19, 1945 | A.T. Johnson | Screw Driver | screwdriver mechanisms |
| 2,476,762 | Jul. 19, 1949 | J.O. Olsen, J.N. Petre | Chuck | screwdriver mechanisms |
| 2,505,332 | Apr. 25, 1950 | W.L. Ludwick | Scratch Awl or the Like | awls |
| 2,596,594 | May 13, 1952 | J.N. Petre | Chuck Feature of Tools of the Detachably Connected Shank and Handle Type | screwdriver mechanisms |
