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| Patents for William H. Lutz | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,054,700 | Mar. 04, 1913 | W.H. Lutz | Compression Wrench | chain and strap wrenches | |
| 1,081,684 | Dec. 16, 1913 | W.H. Lutz | Compression Wrench | chain and strap wrenches | |