Writing instrument

Details Writing instrument Writing instrument

1998-02-27

1999-07-27

Walczak, David J.

Coating implements with material supply

Projectable and retractable tool

By screw mechanism

401 99, 401 55, B43K 516

Patent

active

059278838

ABSTRACT:
A retractable writing instrument having a marking end which can be extended a variable distance from the end of the writing instrument.

REFERENCES:
patent: 1509255 (1924-09-01), Pollak
patent: 1558889 (1925-10-01), Kaiser
patent: 2882859 (1959-04-01), Poritz
patent: 4844640 (1989-07-01), Ganz
patent: 5090831 (1992-02-01), Kageyama et al.

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