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| Patents for John C. Johnson | |||||
| Picture | Number | Date | Patentee | Title | |
| 1,514X | May 16, 1811 | J.C. Johnson | Flax and hemp break | ||
| 8,651X | Feb. 20, 1835 | J.C. Johnson | Tan vats, reservoirs, constructing, with American cement | ||
![]() | D31,038 | Jun. 20, 1899 | J.C. Johnson | Combination Tool Member | |