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| Patents for Spencer & Richards Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 35,390 | May 27, 1862 | J. Richards | Improved guide and support for scrollsaws | scrollsaws | |
| 35,391 | May 27, 1862 | J. Richards | Improved scroll-saw stock | scrollsaws | |
| 35,392 | May 27, 1862 | J. Richards | Improvement in scroll-saw mills | scrollsaws | |
| 36,729 | Oct. 21, 1862 | J. Richards | Improvement in lubricators for scrollsaw stocks | scrollsaws | |