Tools and hardware – Other tools and implements – Wrench
Patent
1988-12-23
1991-09-10
Dunkins, Bruce W.
Tools and hardware
Other tools and implements
Wrench
D 8 21, D 8 26
Patent
active
D03197603
REFERENCES:
patent: D265962 (1982-08-01), Izumisawa
patent: D304898 (1989-12-01), Brawner et al.
patent: 1600641 (1926-09-01), Marston et al.
patent: 2778396 (1957-01-01), Swain
patent: 2786380 (1957-03-01), Rolland
patent: 3283622 (1966-11-01), Wilson
patent: 3863693 (1975-02-01), Carriker
patent: 4010663 (1977-03-01), Rydberg
patent: 4062078 (1977-12-01), Brutschy
patent: 4235269 (1980-11-01), Kraus
Dunkins Bruce W.
Hannon Monica
Kearns Jerry T.
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