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Patents for Federal Products Corp. | |||||
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Number | Title | Classification(s) | |||
1,497,372 | Dial Indicator | 116/291, 33/832 | |||
1,804,383 | Cylinder Gauge | 33/542.1 | |||
2,141,627 | Gauge or Indicator | 74/459.5, 74/462 | |||
4,776,212 | Pocket Surface Roughness Gage | 73/105 |