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| Patents for C. A. Johnson | |||||
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| Number | Date | Patentee | Title | Type | |
| 8,217 | Jul. 15, 1851 | E.K. Browning | Machine for cutting wood into shreds and crimping them for mattress stuffing, &c. | excelsior machines | |
| 181,175 | Aug. 15, 1876 | W.P. Huntoon | Improved Pliers for Watchmakers' and Jewelers' Use | pliers | |
| 207,620 | Sep. 03, 1878 | J. Parmelee | Improvement in Hollow-Screw Pin-Vises | hand vises | |