Tools and hardware – Other tools and implements – Wrench
Patent
1986-10-30
1989-01-03
Burke, Wallace R.
Tools and hardware
Other tools and implements
Wrench
Patent
active
D02992060
REFERENCES:
patent: 3215009 (1965-11-01), Peterson
Proto Tool Catalog #PR120-6902, p. 89 Combination Box & Open End Wrench in ctr.
OLFA Cutter & Knives catalog, Olfa Cutter "L-2", page marked 1.
Popular Science, May 1987, p. 88 Craftsman Ratchet Wrench, top right of page.
Krapowicz Jacob C.
Mader William G.
Bloom Leonard
Burke Wallace R.
Easco Corporation
Heflin Clare E.
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