Tools and hardware – Other tools and implements – Wrench
Patent
1988-09-02
1991-01-15
Dunkins, Bruce W.
Tools and hardware
Other tools and implements
Wrench
Patent
active
D03137317
REFERENCES:
patent: D103579 (1937-03-01), McNaught
patent: 322937 (1885-07-01), Hungerford
patent: 3987691 (1976-10-01), Savage
patent: 4111591 (1978-09-01), Ralnik
patent: 4374479 (1983-02-01), Minotti
Dunkins Bruce W.
Heflin Clare E.
Kearns Jerry T.
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