Screwdriver

Details Screwdriver Screwdriver

1989-08-22

1992-07-21

Ansher, Bernard

Tools and hardware

Other tools and implements

Screwdriver type

D 8347

Patent

active

D03280195

REFERENCES:
patent: D155297 (1949-09-01), Kushner
patent: D167058 (1952-06-01), Rhodes
patent: 180284 (1876-07-01), Stoner
patent: 188243 (1877-03-01), Gold
patent: 190119 (1877-05-01), Budd
patent: D197915 (1964-04-01), Ayars
patent: 363331 (1887-05-01), Hammer
patent: 537246 (1895-04-01), Stone
patent: 592176 (1897-10-01), Starrett
patent: 4478115 (1984-10-01), Ellis
ILCO UNICAN Keys Catalog, 1984, p. 115, Kwikset Repli-Key.
Proto Tools, 1961, p. 59, Key Ring Screwdriver.

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