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| Patents for James Johnson | |||||
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| Number | Date | Patentee | Title | Type | |
| 6,135X | Oct. 01, 1830 | J. Johnson | Water wheel | water wheels | |
| 6,490X | Apr. 18, 1831 | J. Johnson | Life escape and fire ladder | ||
| 149,788 | Apr. 14, 1874 | E. Rayner | Improvement in machines for cutting bungs | bung making machines | |