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| Patents for Theophilus Snyder | |||||
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| Number | Date | Patentee | Title | Type | |
| 119,838 | Oct. 10, 1871 | T. Snyder, D. Frank | Improvements in Pipe Tongs or Wrench | pipe wrenches | |
| 137,908 | Apr. 15, 1873 | D. Frank | Improvements in Monkey-Wrenches | quick adjust wrenches | |