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| Patents for William A. Copeland | |||||
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| Number | Date | Patentee | Title | Type | |
| 395,536 | Jan. 01, 1889 | H.G. Ashton | Safety-valve | steam safety valves | |
| 611,939 | Oct. 04, 1898 | J.H. Reed | Machine for making barrel-heads | barrel making machines | |
| 620,121 | Feb. 28, 1899 | C.T. Guild | Wrench | quick adjust wrenches | |
| 676,573 | Jun. 18, 1901 | G.W. Bowers | Tool Holder | tool holders | |