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| Patents for R. G. Orwig | |||||
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| Number | Date | Patentee | Title | Type | |
| 619,275 | Feb. 14, 1899 | T.F. Byron | Fruit Jar Holder | jar wrenches | |
| 711,422 | Oct. 14, 1902 | C.E. Greenlief | Wrench | cylinder tooth wrenches | |