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| Patents for Winchester Repeating Arms Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 323,180 | Jul. 28, 1885 | W. Mason | Machine for trimming cartridge-shells | cartridges | |
| 1,379,332 | May 24, 1921 | G.P. Butler | Expansion-bit | adjustable drill bits | |
| 1,409,672 | Mar. 14, 1922 | G.C. Claypoole | Pipe Wrench | pipe wrenches | |