Screwdriver

Details Screwdriver Screwdriver

1991-10-04

1994-02-08

Ansher, Bernard

Tools and hardware

Other tools and implements

Screwdriver type

Patent

active

D03440028

REFERENCES:
patent: D41896 (1911-11-01), Roberts
patent: D154644 (1948-04-01), Skamser et al.
patent: 190459 (1877-05-01), Wilkinson
patent: D229475 (1973-12-01), Uboldi
patent: D261610 (1981-11-01), Fee et al.
patent: D261980 (1981-11-01), Fee et al.
patent: D261981 (1981-11-01), Fee et al.
patent: D310472 (1990-09-01), Mader et al.
patent: D312563 (1990-12-01), Hillinger
patent: 1738405 (1929-12-01), Thal
patent: 1888222 (1932-11-01), Curtis et al.
patent: 2323018 (1943-06-01), Vellier
patent: 2808088 (1957-10-01), Whiteford
patent: 2871899 (1959-02-01), Coyle et al.
patent: 3586080 (1971-06-01), Slany
patent: 4187892 (1980-02-01), Simmons
patent: 4290465 (1981-09-01), Fee et al.
patent: 4951533 (1990-08-01), Hillinger
Jomax Catalog Publication, Nov. 1967, p. 29, Screwdrivers.
Stanley Catalog, 1971-1972, pp. 85 and 88, Screwdrivers, Model 100 Plus No. 2912.
Sears Catalog, 1990, p. 29, #9 Craftsman Screwdrivers.

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