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| Patents for American Watch Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 90,620 | May 25, 1869 | C.V. Woerd | Lathe for Grinding and Polishing Pivots of Watch work | watchmakers lathes | |
| 301,314 | Jul. 01, 1884 | C.V. Woerd | Machine for Turning Watch Case Centers | watchmaking machinery | |