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| Patents for J. W. Cooper | |||||
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| Number | Date | Patentee | Title | Type | |
| 116,847 | Jul. 11, 1871 | J.W. Mahlon | Improvement in ratchet-drills | hand drills | |
| 184,733 | Nov. 28, 1876 | C. Sibert | Hose-Spanners | firehose and hydrant wrenches | |