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| Patents for American Mortising-Machine Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 29,920 | Sep. 04, 1860 | H.C. Smith | Mortising-machine | portable timber mortisers | |
| 39,502 | Aug. 11, 1863 | H.C. Smith | Improved mortising-machine | portable timber mortisers | |
| 105,603 | Jul. 19, 1870 | H.C. Smith | Improvement in mortising-machine | portable timber mortisers | |