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| Patents for John Johnson Jr. | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,170X | Nov. 22, 1809 | J. Johnson, Jr. | Flexible platform for giving motion to machinery | ||
| 807,643 | Dec. 19, 1905 | G.E. Sly | Claw of Tools for Drawing Nails or Spikes | hammers | |