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| Patents for William Knabe & Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 151,446 | May 26, 1874 | W.T. Smith | Improvement in cutter-heads | cutterheads | |
| 514,607 | Feb. 13, 1894 | W.T. Smith | Piano-leg machine | music instrument maker | |