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| Patents for Allen S. Felch | |||||
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| Number | Date | Patentee | Title | Type | |
| 20,779 | Jul. 06, 1858 | L.A. Dole | Boring-machine | drilling and boring | |
| 415,047 | Nov. 12, 1889 | C.L. Mahnicke | Improvements in Chain Pipe-Wrenches | chain and strap wrenches | |