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| Patents for Frank S. Donaldson | |||||
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| Number | Date | Patentee | Title | Type | |
| 293,175 | Feb. 05, 1884 | J. Jewell | Pipe Wrench | pipe wrenches | |
| 313,000 | Feb. 24, 1885 | F.B. Kearney | Tonguing and grooving machine | ||