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All Patents in class 432/124 | |||||
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Number | Date | Patentee | Title | Type | |
107,599 | Sep. 20, 1870 | H. Disston | Improvement in Combined Furnace or Oven and Tempering Dies | making sawblades | |
143,041 | Sep. 23, 1873 | R.F. Thompson | Tire-Heaters | tire heaters |