US Patent: 2,129,979
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Measuring Device
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Patentees:
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Carl Westervelt (exact or similar names) - Cadwell, NJ |
George L. Storm (exact or similar names) - West Orange, NJ |
Arthur Kaufmann (exact or similar names) - Essex Fells, NJ |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
May 08, 1936 |
Granted: |
Sep. 13, 1938 |
USPTO (New site tip) Google Patents
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Joel Havens
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