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| Patents for John J. Witt | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,369,152 | Feb. 22, 1921 | J.J. Witt | Tailstock for lathes | wood lathes | |
| 1,460,121 | Jun. 26, 1923 | J.J. Witt | Lathe-carriage attachment | wood lathe accessories | |
| 1,509,387 | Sep. 23, 1924 | J.J. Witt | Shaper-driving mechanism | wood shapers | |
| 1,635,732 | Jul. 12, 1927 | J.J. Witt | Molding cutter | cutterheads | |
| 1,757,155 | May 06, 1930 | J.J. Witt | Variety lathe | pattern lathes | |