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| Patents for A. C. Tennison | |||||
| Number | Date | Patentee | Title | Type | |
| 870,718 | Nov. 12, 1907 | J.C. Fitzgerald | Manure-carrier | material handling | |
| 1,291,461 | Jan. 14, 1919 | J.C. Fitzgerald | Shaft-hanger | industrial machine shaft hangers | |