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| Patents for G. M. Chamberlin | |||||
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| Number | Date | Patentee | Title | Type | |
| 363,709 | May 24, 1887 | A.E. Whitmore | Micrometer-Gage | measurement gauges | |
| 429,961 | Jun. 10, 1890 | J.A. Robbins | Watch makers bow bender | watchmaker | |