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| Patents for Henry C. Rylands | |||||
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| Number | Date | Patentee | Title | Type | |
| 112,115 | Feb. 28, 1871 | T.V. Boyden | Twist Drill Bit | twist drill bits | |
| 624,849 | May 09, 1899 | J.C. Nicol | Nipple Wrench | spoke nipple wrenches | |