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| Patents for William Schollhorn Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,407,780 | Feb. 28, 1922 | W.A. Bernard | Hand Tool | pliers | |
| 1,762,324 | Jun. 10, 1930 | W.A. Bernard | Wrench | pipe wrenches | |
| 1,804,149 | May 05, 1931 | F.J. Clemens | Belt Plier | pliers | |
| 1,838,659 | Dec. 29, 1931 | F.J. Clemens | Pipe Wrench | pipe wrenches | |