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Patents for J. A. Cantin | |||||
Number | Date | Patentee | Title | Type | |
526,105 | Sep. 18, 1894 | A.G. Hollister | Depth Gage | micrometer depth gauges | |
531,435 | Dec. 25, 1894 | H.J. Cogswell | Watchmaker's Length Gage | special purpose gauges |