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| Patents for A. Gregory | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 12,030 | Dec. 05, 1854 | H.R. Miller | Mill for Shelling and Grinding Corn | |
 | 15,572 | Aug. 19, 1856 | J. Potter | Tenoning-machine | |
 | 16,308 | Dec. 23, 1856 | J.H. Goodell | Machine for cutting veneers from the log | |
 | 158,248 | Dec. 29, 1874 | J.W. Cochran | Improvement in car-springs | |