US Patent: 2,575,656
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| Means for finishing workpieces of irregular shapes
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Patentees:
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| Harry D. Coe, Jr. (exact or similar names) - Pittsburgh, PA |
| Joseph B. Dym (exact or similar names) - Pittsburgh, PA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Nov. 26, 1948 |
| Granted: |
Nov. 20, 1951 |
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Jeff Joslin
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Description: |
| Intended for finishing "turbine blades, hardware, ..." |
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