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| Patents for Rivett-Dock Co. | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 632,678 | Sep. 05, 1899 | H. Dock | Tool for cutting screw-threads | |
 | 652,643 | Jun. 26, 1900 | E. Rivett | Thread-cutting attachment for lathes | |