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| Patents for Thomas Prentice | |||||
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| Number | Date | Patentee | Title | Type | |
| 909,819 | Jan. 12, 1909 | T. Prentice | Rule Joint | folding rule joints | |
| 1,052,423 | Feb. 04, 1913 | T. Prentice | Boring and drill tool | eggbeater drills | |
| 1,515,272 | Nov. 11, 1924 | T. Prentice | Chuck for Bit Braces | brace chucks | |