All Patents in class 81/436 |
Patents 61 -
75
of 96
|
Number | Date | Patentee | Title | Type |
1,492,680 | May 06, 1924 | F. Ducharme | Hand tool | screwdrivers |
1,493,165 | May 06, 1924 | E.A. Schade | Screw Driver | screwdriver handles |
1,677,572 | Jul. 17, 1928 | L.V. Walkley | Screw Driver | screwdriver handles |
1,696,444 | Dec. 25, 1928 | E.S. Miller, F.A. Haist | Holder for Socket Wrench sets | wrench set holders |
1,712,484 | May 14, 1929 | W.S. Thomson | Screw Driver | screwdriver handles |
1,721,065 | Jul. 16, 1929 | C. Bodmer | Hand tool | |
1,738,405 | Dec. 03, 1929 | B. Thal | Improvement in Screwdriver blades | screwdriver blades |
1,746,381 | Feb. 11, 1930 | E.E. Davis | Boring tool | boring heads |
1,752,703 | Apr. 01, 1930 | H.E. Simson | Hand Drill or Screw Driver | screwdriver mechanisms |
1,755,822 | Apr. 22, 1930 | W.F. Hobbs | Screw Driver and Method of Making the Same | screwdriver handles |
1,761,156 | Jun. 03, 1930 | F.R. Rosan | Turning Tool Applicable to Remove Refractory Screws | screw extractors |
1,839,835 | Jan. 05, 1932 | H.J. Cook | Screw driver | screwdrivers |
1,841,688 | Jan. 19, 1932 | F.J. Vlchek | Tool | screwdriver handles |
1,888,222 | Nov. 22, 1932 | A.E. Keating, H.B. Curtis | Screw Driver | screwdrivers |
1,979,460 | Nov. 06, 1934 | H.S. Forsberg | Screw driver | screwdrivers |