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| Patents for William A. Perkins | |||||
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| Number | Date | Patentee | Title | Type | |
| D4,848 | Apr. 25, 1871 | W.A. Perkins | Design for a Saw-Filing Vise | saw vises | |
| 304,980 | Sep. 09, 1884 | T.H. Webster | Molding Machine Attachment—Embosser | molders | |
| 987,012 | Mar. 14, 1911 | W.A. Perkins | Planing-machine and attachment | wood planers | |