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| Patents for P. B. Wachtel | |||||
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| Number | Date | Patentee | Title | Type | |
| 401,594 | Apr. 16, 1889 | J. Schofield | Combined punch, shears, and saw-gummer | saw gummers | |
| 479,049 | Jul. 19, 1892 | M.E. Blood, C.C. Blood | Cut-off sawing-machine | circular crosscut saws | |