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| Patents for Samuel F. Hay | |||||
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| Number | Date | Patentee | Title | Type | |
| 136,152 | Feb. 25, 1873 | W.H. Goodchild, S.F. Hay | Improvement in joiners' clamps | clamps | |
| 172,589 | Jan. 25, 1876 | H.D. Stover | Improvement in machines for cutting precious stones | ||
| 227,316 | May 04, 1880 | H.D. Stover | Machine for cutting and conveying wood shavings | waste collection mechanisms | |