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| Patents for John McCarthy Palmer | |||||
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| Number | Date | Patentee | Title | Type | |
| 558,304 | Apr. 14, 1896 | J.M. Palmer | Wrench | pipe wrenches | |
| 561,274 | Jun. 02, 1896 | J.M. Palmer | Tongs for Turning Pipes | pipe tongs | |
| CA-52,970 | Jul. 20, 1896 | W.F. Trites, J.M. Palmer | Pipe Tongs | pipe tongs | |
| CA-52,971 | Jul. 20, 1896 | W.F. Trites, J.M. Palmer | Wrench | pipe wrenches | |
| 574,624 | Jan. 05, 1897 | J.M. Palmer | Wrench | pipe wrenches | |