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| Patents for Shubel A. Foster | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,416,810 | May 23, 1922 | S.A. Foster | Micrometer Gage | micrometers | |
| 2,267,559 | Dec. 23, 1941 | S.A. Foster | Gauge | measurement gauges | |
| 2,645,020 | Jul. 14, 1953 | S.A. Foster | Accurately Repeating Dial Type Comparator | comparators | |