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| All Patents in class 403/310 | |||||
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| Number | Date | Patentee | Title | Type | |
| 308,777 | Dec. 02, 1884 | C.W. Lawrie | Shaft Coupling | industrial machine shaft couplings | |
| 314,230 | Mar. 24, 1885 | C.F. Dean | Pruning Implement | pruning implements | |