Combined screwdriver and wrench

Details Combined screwdriver and wrench Combined screwdriver and wrench

1993-11-26

1995-03-14

Shooman, Theodore M.

Tools and hardware

Other tools and implements

Combination tool

D 8 17, D 8 26, D 8 87

Patent

active

D03562409

REFERENCES:
patent: 37920 (1863-03-01), Penny
patent: 64662 (1867-05-01), Gold
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patent: D334693 (1993-04-01), Burke
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patent: 597345 (1898-01-01), Welsh
patent: 637253 (1899-11-01), Harris
patent: 763745 (1904-06-01), Gheen
patent: 849891 (1907-04-01), Ellingson
patent: 2152879 (1939-04-01), Dorsey
patent: 2230376 (1941-02-01), Cullen
patent: 4037275 (1977-07-01), Schor
patent: 5038644 (1991-08-01), Delsack
patent: 5077850 (1992-01-01), Brubaker

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