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| Patents for J. H. Swan | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,048,931 | Dec. 31, 1912 | T. Bemis | Pneumatic-despatch apparatus | ||
| 1,079,311 | Nov. 18, 1913 | T. Bemis | Pneumatic-despatch apparatus | ||
| 1,121,668 | Dec. 22, 1914 | D. Gochenauer, N. Rusk | Wrench | ratchet wrenches | |