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| Patents for Lawrence A. Janney | |||||
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| Number | Date | Patentee | Title | Type | |
| 769,043 | Aug. 30, 1904 | G. Amborn | Chain Wrench | chain and strap wrenches | |
| 769,054 | Aug. 30, 1904 | G.W. Bufford | Chain Wrench | chain and strap wrenches | |
| 769,814 | Sep. 13, 1904 | G.F. Hickman, G.W. Bufford | Pipe Vise | pipe and chain vises | |