Tools and hardware – Other tools and implements – Wrench
Patent
1988-09-12
1990-10-16
Dunkins, Bruce W.
Tools and hardware
Other tools and implements
Wrench
Patent
active
D03113140
REFERENCES:
patent: 4703676 (1987-11-01), Mayer
patent: 4722253 (1988-02-01), Chow
Dunkins Bruce W.
Heflin Clare E.
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