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| Patents for H. H. Martin | |||||
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| Number | Date | Patentee | Title | Type | |
| 458,552 | Aug. 25, 1891 | L. Olmstead | Metal Handle for Crosscut-Saws | crosscut saw handles | |
| 633,640 | Sep. 26, 1899 | S.J. Dern | Nut and Pipe Wrench | quick adjust wrenches | |