Tools and hardware – Other tools and implements – Wrench
Patent
1987-03-24
1989-10-10
Dunkins, Bruce W.
Tools and hardware
Other tools and implements
Wrench
D 8 28
Patent
active
D03039161
REFERENCES:
patent: 651574 (1900-06-01), Meredith
patent: 974725 (1910-11-01), Trambley
patent: 2854876 (1958-10-01), Green
patent: 4084456 (1978-04-01), Pasbrig
Colvin Davis S.
Dunkins Bruce W.
Heflin Clare E.
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