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| Patents for James T. Hayden | |||||
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| Number | Date | Patentee | Title | Type | |
| 241,490 | May 17, 1881 | J.T. Hayden | Pipe Wrench | pipe wrenches | |
| 324,378 | Aug. 18, 1885 | J.T. Hayden | Pipe Wrench | chain and strap wrenches | |
| 335,193 | Feb. 02, 1886 | J.T. Hayden | Pipe Wrench | pipe wrenches | |
| 378,310 | Feb. 21, 1888 | J.T. Hayden | Collapsing Tap | taps and dies | |
| 420,199 | Jan. 28, 1890 | J.T. Hayden | Chuck Having Revoluble Jaws | metal lathe chucks | |