US Patent: 1,167,592
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Test Indicator
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Patentees:
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Karl A. Neumann (exact or similar names) - Bridgeport, CT |
Harold K. Andrews (exact or similar names) - Bridgeport, CT |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Aug. 06, 1915 |
Granted: |
Jan. 11, 1916 |
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Joel Havens
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Description: |
Mercer D. Boudell - patent attorney |
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