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| Patents for Frank Spalding | |||||
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| Number | Date | Patentee | Title | Type | |
| 889,409 | Jun. 02, 1908 | F. Spalding | Automatic Center Punch | punches | |
| 1,095,745 | May 05, 1914 | F. Spalding | Micrometer Calipers | micrometers | |
| 1,107,187 | Aug. 11, 1914 | F. Spalding | Micrometer Calipers | micrometers | |
| 1,333,943 | Mar. 16, 1920 | F. Spalding | Caliper | measurement gauges | |