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| Patents for J. George Seltzer | |||||
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| Number | Date | Patentee | Title | Type | |
| CA-27,657 | Sep. 22, 1887 | D.R. Porter | Pipe Wrench | quick adjust wrenches | |
| 389,899 | Sep. 25, 1888 | D.R. Porter | Pipe Wrench | quick adjust wrenches | |