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| All Patents in class 29/892.11 | |||||
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| Number | Date | Patentee | Title | Type | |
| 248,599 | Oct. 25, 1881 | P. Medart | Manufacture of Belt Pulleys | industrial machine pulleys and belt drive mechanisms | |
| 643,782 | Feb. 20, 1900 | J.R. Thame | Fiber Pulley | industrial machine pulleys and belt drive mechanisms | |