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| Patents for Thomas Hooker | |||||
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| Number | Date | Patentee | Title | Type | |
| 189,265 | Apr. 03, 1877 | J.C. Richardson | Improvement in Gimlets and Twist-Drills | making drills and augers | |
| 297,602 | Apr. 29, 1884 | T. Hooker | Micrometer | micrometers | |
| 313,552 | Mar. 10, 1885 | J.E. Sweet | Micrometer Gauge | micrometers | |
| 333,192 | Dec. 29, 1885 | J. Balz | Brace/Drill Chuck | brace chucks | |
| 1,193,549 | Aug. 08, 1916 | T. Hooker | Micrometer Gage | micrometers | |