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| CHANTRELL, John Location: Bridgeport, CT
Patent: # 284276
Type: Bit-Brace
Date: Sept. 4, 1883
Rarity: NS
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| FARLEY, Fred E. Location: Greenfield, MA. Patent: # 1508512
Type: ratchet mechanism
Date: Sept. 16, 1924
Rarity:
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| DABOLL, Charles M. Location: New London, CT. Patent # 75870
Type: bit-brace
Date: Feb 1, 1898
Rarity: B
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