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| All Patents in class 74/459.5 | |||||
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| Number | Date | Patentee | Title | Type | |
| 638,216 | Dec. 05, 1899 | J.S. Copeland | Gear-cutting machine | gear making machines | |
| 2,141,627 | Dec. 27, 1938 | C.C. Street | Gauge or Indicator | test indicators | |