Tools and hardware – Other tools and implements – Screwdriver type
Patent
1986-12-24
1990-07-17
Dunkins, Bruce W.
Tools and hardware
Other tools and implements
Screwdriver type
Patent
active
D03092461
REFERENCES:
patent: D143931 (1946-02-01), Odlum
patent: D244747 (1977-06-01), Solf
patent: D256882 (1980-09-01), Jansson
patent: 3026920 (1962-03-01), York
patent: 3463209 (1969-08-01), Podolsky
Proto Tool Catalog No. PR120-6902 Feb. 1969, p. 78, Screwdrivers #9604, 9606, 9608/left center of page.
Techni-Tool Catalog .COPYRGT.1984 (No. 28) p. 39 item in lower left of page/"Stubby" Screwdriver.
Bakula Mark S.
Caldwell Donald J.
Cascio Steven S.
Severson Tom S.
Wente Steven R.
Dunkins Bruce W.
Heflin Clare E.
Snap-on Tools Corporation
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