Box wrench

Details Box wrench Box wrench

1992-04-07

1993-12-28

Ansher, Bernard

Tools and hardware

Other tools and implements

Wrench

D 8 28

Patent

active

D03426530

REFERENCES:
patent: D214018 (1969-05-01), Traughber
patent: D332730 (1993-01-01), Usuda
patent: 2421038 (1947-05-01), Schultz
patent: 2500835 (1950-03-01), Lang
patent: 2712258 (1955-07-01), Keith
patent: 3635654 (1972-01-01), McFarland
patent: 3742788 (1973-07-01), Priest
patent: 3754486 (1973-08-01), Mariner
patent: 4819521 (1989-04-01), Lang
Craftsman Tools Cat., 1990, p. 31, No. 15, box end wrenches.

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