US Patent: 2,344,498
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| Micrometer
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Patentee:
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| William Harvey Coward (exact or similar names) - New Rochelle, NY |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Dec. 22, 1942 |
| Granted: |
Mar. 21, 1944 |
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Joel Havens
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Description: |
| Clarence A. O'Brien & Harvey B. Jacobson - patent attorneys
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