Tools and hardware – Other tools and implements – Wrench
Patent
1982-05-27
1985-04-23
Douglas, Alan P.
Tools and hardware
Other tools and implements
Wrench
Patent
active
D02785102
REFERENCES:
patent: D34540 (1901-05-01), Engstrom
patent: D57323 (1921-03-01), Evans
patent: D103579 (1937-03-01), McNaught
patent: D177636 (1956-05-01), Meier et al.
patent: 1369829 (1921-03-01), Minges
patent: 1584422 (1926-05-01), Bate
patent: 1811137 (1931-06-01), Kress
Douglas Alan P.
Patnaude Edmond T.
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