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| Patents for J. S. Birch & Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 88,836 | Apr. 13, 1869 | J.S. Birch | Improvement in Self-Adjusting Watch-Keys | self-adjust wrenches | |
| RE9,310 | Jul. 20, 1880 | J.S. Birch | Improvement in an Adjustable Holding Device and Watch-Key | self-adjust wrenches | |