Screwdriver

Details Screwdriver Screwdriver

1977-01-05

1978-07-18

Douglas, Alan P.

Tools and hardware

Other tools and implements

Screwdriver type

D0804

Patent

active

D02485370

REFERENCES:
patent: D103676 (1937-03-01), Fegley et al.
patent: D233406 (1974-10-01), Whiteford
patent: 264798 (1882-09-01), Tyler
patent: 680065 (1901-08-01), Noble
patent: 2815837 (1957-12-01), Morgan

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