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| Patents for T. H. Parsons | |||||
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| Number | Date | Patentee | Title | Type | |
| 161,444 | Mar. 30, 1875 | J. Ross | Planing and matching machine | wood planers | |
| 287,998 | Nov. 06, 1883 | B.F. Bennett | Automatic Self-Setting Wrench | quick adjust wrenches | |
| 323,776 | Aug. 04, 1885 | B.F. Bennett | Automatic Self-Setting Wrench | quick adjust wrenches | |
| 344,469 | Jun. 29, 1886 | W.H. Wilson | Saw Gage | handsaw depth gages | |