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Patents for Samuel Jennison | |||||
Number | Date | Patentee | Title | Type | |
350,513 | Oct. 12, 1886 | A.L. Washburn | Micrometer Calipers | micrometers | |
350,516 | Oct. 12, 1886 | W.H. Wilkinson | Micrometer Calipers | micrometers |