All Patents in class 81/177.7 |
Patents 16 -
28
of 28
|
Number | Date | Patentee | Title | Type |
1,597,939 | Aug. 31, 1926 | F. Wermes | Conecting Rod Bearing Wrench | automotive specialty wrenches |
1,605,667 | Nov. 02, 1926 | J.M. Laflin | Multiple-Jaw Wrench | wrench jaw components |
1,643,814 | Sep. 27, 1927 | J.N. Peterson | Socket Wrench | socket wrenches |
2,028,561 | Jan. 21, 1936 | E.F. Pilger | Wrench Handle | wrench handle components |
2,138,725 | Nov. 29, 1938 | E.J. Brouhard | Drain Cock Wrench | drain cock wrenches |
2,294,510 | Sep. 01, 1942 | R. Nakano | Hinged Rachet Wrench | ratchet wrenches |
2,300,479 | Nov. 03, 1942 | L.O. Wilson | Interchangable Head, Ratchet Type Socket Wrench | ratchet wrenches |
2,680,985 | Jun. 15, 1954 | H.L. Fish | Split Wrench with Universally Manipulatable Handle | wrench handle components |
2,691,316 | Oct. 12, 1954 | A.J. Brame | Box Ratchet Wrench | ratchet wrenches |
2,708,855 | May 24, 1955 | H.L. Fish | Closed Ratchet Wrench | ratchet wrenches |
4,825,734 | May 02, 1989 | G.R. Slivon, P.K. Schwalbe | Variable Leverage Tool Handle | tool handles |
4,991,470 | Feb. 12, 1991 | R.P. Singleton | Socket Wrench With Improved Handle | |
5,280,740 | Jan. 25, 1994 | M.L. Ernst | Flexible Head Socket Wrench | socket wrenches |