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| All Patents in class 81/157 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,258,054 | Mar. 05, 1918 | L.S. Starrett | Ratchet Monkey Wrench | screw adjust wrenches | |
| 1,402,686 | Jan. 03, 1922 | F.W. Trabold | Adjustable Spanner Wrench | screw adjust wrenches | |
| 1,407,528 | Feb. 21, 1922 | W. Gordon | Wrench | quick adjust wrenches | |
| 1,501,903 | Jul. 22, 1924 | W. Gordon | Wrench | quick adjust wrenches | |
| 1,747,360 | Feb. 18, 1930 | J.A. Giles | Wrench | screw adjust wrenches | |
| 4,472,986 | Sep. 25, 1984 | R.G. Gottlieb | Lever Locking Worm Adjustable Wrench | locking pliers | |