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| Patents for D. Frisbie & Co. | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 148,165 | Mar. 03, 1874 | A.B. Bean | Improvement in machinery clutches | |
 | RE6,215 | Jan. 12, 1875 | A.B. Bean | Improvement in machine-clutches | |
 | 321,941 | Jul. 14, 1885 | A.B. Bean | Friction Clutch | |
 | 326,091 | Sep. 15, 1885 | A.B. Bean | Friction Clutch | |