All Patents in class 81/28 |
Patents 76 -
89
of 89
|
Number | Date | Patentee | Title | Type |
995,808 | Jun. 20, 1911 | A.F. Schade | Bit-Brace Chuck | brace chucks |
1,049,649 | Jan. 07, 1913 | R.B. Benjamin | Improvement in Screwdriver Handles | screwdriver handles |
1,107,938 | Aug. 18, 1914 | S.N. Hall | Bit-brace with crank arm | |
1,289,558 | Dec. 31, 1918 | R.F. Sedgley | Wrench | socket wrenches |
1,328,428 | Jan. 20, 1920 | D.F. Graham | Socket-Wrench | socket wrenches |
1,412,284 | Apr. 11, 1922 | S.J. Hellman | Tool Holder | tool holders |
1,422,067 | Jul. 11, 1922 | W.A. Abegg | Socket Wrench | socket wrenches |
1,425,270 | Aug. 08, 1922 | S.J. Morgan | Magazine brace | |
1,435,288 | Nov. 14, 1922 | W.R. Smith, W.E. Gifford | Socket Ratchet Wrench | ratchet wrenches |
1,529,006 | Mar. 10, 1925 | C. Bodmer | Bit-Brace Extension | drill bit extensions |
1,626,671 | May 03, 1927 | S.R. Enberg | Tool Handle | tool handles |
1,642,569 | Sep. 13, 1927 | B. Reader, F.H. Winslow | Hand Tool | screwdriver mechanisms |
1,764,690 | Jun. 17, 1930 | E.M. Pfauser | Tool Handle | tool handles |
2,320,119 | May 25, 1943 | J.T. Burks | Mechanical wrench | spiral screwdrivers |