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| Patents for J. R. Pierce | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,016,296 | Feb. 06, 1912 | J.A. Schlehr | Bolt Holder | pliers | |
| 1,026,975 | May 21, 1912 | C.A. Devero | Tire Setting Machine | steel tire shrinkers | |
| 1,134,806 | Apr. 06, 1915 | W.H. Barron, Jr., C. Leseman | Combination Trammels and Marking Gage | trammels | |
| 1,344,569 | Jun. 22, 1920 | J. Switzer | Metal Door/Lock Gage | butt gauges | |
| 1,393,399 | Oct. 11, 1921 | J.A. Schlehr | Pliers and End Wrench | pliers | |