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| All Patents in class 156/137 | |||||
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| Number | Date | Patentee | Title | Type | |
| 228,186 | Jun. 01, 1880 | M. Gandy | Cotton-Belting and the Process of Manufacture | threshers and thrashers | |
| 1,126,423 | Jan. 26, 1915 | C.H. Driver | Sandpaper belting | abrasives and holders | |