US Patent: 2,385,157
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| Inside Diameter Measuring and Indicator Gauge
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Patentees:
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| John C. Nilsson (exact or similar names) - Poughkeepsie, NY |
| John F. Nilsson (exact or similar names) - Poughkeepsie, NY |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jan. 21, 1944 |
| Granted: |
Sep. 18, 1945 |
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Joel Havens
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Description: |
| Clarence A. O'Brien & Harvey B. Jacobson - patent attorneys
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