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| Patents for J. H. Palmer | |||||
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| Number | Date | Patentee | Title | Type | |
| 185,863 | Jan. 02, 1877 | A. Martin | Improvement in saw-filing machines | saw sharpening machines | |
| 216,690 | Jun. 17, 1879 | R. Mikkelson | Wrench | ratchet wrenches | |