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| Patents for H. Joseph Doyle | |||||
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| Number | Date | Patentee | Title | Type | |
| 777,606 | Dec. 13, 1904 | A.J. Knowlton, O.B. Creamer | Taper Calipers | calipers | |
| 937,944 | Oct. 26, 1909 | G. Lindahl | Tire Bolt Wrench | tire bolt wrenches | |
| 963,124 | Jul. 05, 1910 | J.C. Dikes | Improved Fence Tool | combination tools | |
| 976,868 | Nov. 29, 1910 | P.L. Hoffman, L.J. Graffort | Fruit Jar Wrench | jar wrenches | |