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| Patents for Joseph M. McMaster | |||||
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| Number | Date | Patentee | Title | Type | |
| 118,809 | Sep. 12, 1871 | J.M. McMaster | Improvement in blacking apparatus and bootjack combined | ||
| 120,823 | Nov. 14, 1871 | J.M. McMaster | Improvement in propulsion of canal-boats | boats and ships | |