US Patent: 788,716
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Worm Gearing
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Patentees:
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Robert A. Hammond (exact or similar names) - Sanwich, Barnstable County, MA |
Frederick E. Walden (exact or similar names) - Worcester, Worcester County, MA |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Jul. 29, 1904 |
Granted: |
May 02, 1905 |
USPTO (New site tip) Google Patents
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Joel Havens
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