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| Patents for Robert Milton Spearpoint | |||||
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| Number | Date | Patentee | Title | Type | |
| 946,504 | Jan. 11, 1910 | V.A. Fynn | Alternate-current motor and generator | electric motors | |
| 1,266,313 | May 14, 1918 | J.A. Prestwich | Indicator for Gaging Instruments | thickness gages | |