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| Patents for Prentice Brothers Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 572,445 | Dec. 01, 1896 | B.W. Prentice | Sectional expansion-tap | taps and dies | |
| 728,279 | May 19, 1903 | A.E. Newton | Change Gearing for Lathes | industrial machine gearing | |
| 1,031,284 | Jul. 02, 1912 | A.E. Newton | Lathe | screwcutting lathes | |