Cordless screwdriver

Details Cordless screwdriver Cordless screwdriver

1987-12-23

1990-02-13

Herrmann, Winifred E.

Tools and hardware

Other tools and implements

With relative movement of parts while performing function

D 4199

Patent

active

D03059758

REFERENCES:
patent: D210066 (1968-02-01), Johnson
patent: D282267 (1986-01-01), Coyne
patent: D295601 (1988-05-01), Svetlik
patent: D296863 (1988-07-01), Vigneau
patent: D301496 (1989-06-01), Yonesawa et al.
patent: 4759240 (1988-07-01), Lin
"Instruction Manual-Cordless Reversible Folding Screwdriver" by International Consumer Brands, Inc., 1986, pp. 1 and 7.
"Care and Operating Instructions-Heavy Duty Cordless Reversing Screwdriver" by Milwaukee Electric Tool Corporation, publication date unknown, pp. 1, 4-12.

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