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| Patents for W. A. Copeland | |||||
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| Number | Date | Patentee | Title | Type | |
| 301,079 | Jul. 01, 1884 | H.G. Ashton | Safety-Valve | steam safety valves | |
| 303,252 | Aug. 12, 1884 | H.G. Ashton | Safety Valves | steam safety valves | |
| 306,208 | Oct. 07, 1884 | H.G. Ashton, R. Gould | Safety Valves | steam safety valves | |
| 330,551 | Nov. 17, 1885 | F. Boardman | Pivoting-chuck | watchmaker | |
| 331,812 | Dec. 08, 1885 | J. Norris | Cushioned Nippers and Pliers For Glass Cutters' Use | pliers | |