US Patent: 3,260,321
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Dual Capacity Scale with Disengageable Counterweight on Load Transmission Rod
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Patentees:
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Roger H. Damon, Jr. (exact or similar names) - St. Johnsbury, Caledonia County, VT |
John B. Rolfe (exact or similar names) - St. Johnsbury, Caledonia County, VT |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Apr. 21, 1964 |
Granted: |
Jul. 12, 1966 |
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Joel Havens "Vintage Machinery" entry for Fairbanks Morse & Co.
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