Portable electric driver

Details Portable electric driver Portable electric driver

1986-11-19

1989-12-19

Herrmann, Winifred E.

Tools and hardware

Other tools and implements

With relative movement of parts while performing function

D 8 30, D 8 83, D 8107

Patent

active

D03050939

REFERENCES:
patent: D139742 (1944-12-01), Crump
patent: D295601 (1988-05-01), Svetlik
patent: 3867m747 (1975-02-01), Lee
patent: 3935909 (1976-02-01), Mabuchi et al.
Ryobi brochure, 1 page, undated, Art Supplied by Applicant, Cordless Screwdriver #BD-10R, Cordless Drill #BD101R.

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