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| All Patents in class 470/63 | |||||
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| Number | Date | Patentee | Title | Type | |
| 86 | Nov. 26, 1836 | J.H. Pierson | Making Bolt and Screw Heads | wood screw making machines | |
| 6,390,929 | May 21, 2002 | J.L. Hyatt | Method for Making Drive Sockets | making wrenches | |