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| Patents for William Barclay | |||||
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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 | |