Tools and hardware – Other tools and implements – Wrench
Patent
1989-01-04
1991-10-15
Dunkins, Bruce W.
Tools and hardware
Other tools and implements
Wrench
D 8 17, D 8 21, D 8 28
Patent
active
D03207250
REFERENCES:
patent: D103579 (1937-03-01), McNaught
patent: D104869 (1937-06-01), McNaught
patent: D309411 (1990-07-01), Strock
patent: 391211 (1888-10-01), Torkelson
patent: 471339 (1910-11-01), Gross
patent: 595975 (1897-12-01), Shryock
patent: 956259 (1910-04-01), Amborn
patent: 1165995 (1915-12-01), Mossberg
patent: 1367297 (1921-02-01), Bullard
patent: 1792850 (1931-02-01), Looft
patent: 4727782 (1988-03-01), Yang
Dunkins Bruce W.
Gilden Leon
Hannon Monica
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