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Patents for William H. Burr | |||||
Number | Date | Patentee | Title | Type | |
106,374 | Aug. 16, 1870 | J.L. Knowlton | Improvement in lath-machine | lath making machines | |
547,653 | Oct. 08, 1895 | S.L. Wiegand, W.H. Burr | Pipe Wrench | chain and strap wrenches |