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| Patents for William M. Swan | |||||
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| Number | Date | Patentee | Title | Type | |
| 936,574 | Oct. 12, 1909 | J.R. Searight | Cutting Shears | shears | |
| 939,735 | Nov. 09, 1909 | W. Murchey | Thread-cutting tool | tapping heads and chucks | |