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| Patents for D. F. Spees | |||||
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| Number | Date | Patentee | Title | Type | |
| 216,252 | Jun. 10, 1879 | J. Allison | Improvement in Gages for Weather-Boards | clapboard markers | |
| 217,251 | Jul. 08, 1879 | O.R. Weaver | Combination Adjustable Wrench and Pipe or Bolt Tongs | pliers type wrenches | |