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| Patents for Frank Spaulding | |||||
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| Number | Date | Patentee | Title | Type | |
| 332,118 | Dec. 08, 1885 | F. Spaulding | Adjustable Anvil for Micrometer Gages | micrometers | |
| 368,554 | Aug. 16, 1887 | F. Spaulding | Micrometer Gage | micrometers | |
| 717,296 | Dec. 30, 1902 | F. Spaulding | Micrometer Calipers | micrometers | |
| 769,197 | Sep. 06, 1904 | F. Spaulding | Micrometer Calipers | micrometers | |
| 951,491 | Mar. 08, 1910 | F. Spaulding | Speed Indicator | measurement gauges | |
| 1,001,471 | Aug. 22, 1911 | F. Spaulding | Direct-Reading Micrometer | measurement gauges | |