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| All Patents in class 81/57.22 | |||||
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| Number | Date | Patentee | Title | Type | |
| 189,352 | Apr. 10, 1877 | J.B. Fox | Wrench | tire bolt wrenches | |
| 1,480,231 | Jan. 08, 1924 | J.A. Thompson | Wrench | brace wrenches | |
| 1,537,089 | May 12, 1925 | F.A. Jimerson | Track wrench | pneumatic tools | |
| 3,371,562 | Mar. 05, 1968 | B.F. Kelley | Grapple | self-adjust wrenches | |
| 4,100,661 | Jul. 18, 1978 | E.G. Cheak | Door hinge applying apparatus | specialty woodworking machines | |