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| Patents for John A. Smith | |||||
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| Picture | Number | Date | Patentee | Title | |
| 4,510X | Aug. 07, 1826 | J.A. Smith | Elevating liquors to upper rooms | ||
| 5,814X | Feb. 03, 1830 | J.A. Smith | Pumps, package | ||
 | 290,450 | Dec. 18, 1883 | C. Ahrens | Safety-valve | |
| 1,550,712 | Aug. 25, 1925 | J.A. Smith | Grinding machine | ||
 | 1,570,092 | Jan. 19, 1926 | J.A. Smith | Grinding machine | |
| 1,760,257 | May 27, 1930 | J.A. Smith | Switch | ||
| 1,923,760 | Aug. 22, 1933 | J.A. Smith | Grinding machine | ||
| 1,986,378 | Jan. 01, 1935 | J.A. Smith | Apparatus for air purification | ||