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| Patents Granted on 1897-05-18 | |||||
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| Number | Date | Patentee | Title | Type | |
| 582,616 | May 18, 1897 | H. Bolthoff | Hoisting-machine | hoists, winches, come-alongs | |
| 582,620 | May 18, 1897 | J.A. Charter | Gas Engine | internal combustion engines | |
| 582,622 | May 18, 1897 | G.S. Dobson | Wrench | ratchet wrenches | |
| 582,755 | May 18, 1897 | W.B. Marble | Tongs | blacksmith | |
| 582,915 | May 18, 1897 | A.B. Harris | Railroad-tie boring and trimming machine | drilling and boring | |
| 582,947 | May 18, 1897 | P.D. Pike | Box-nailing machine | box making machines | |