Angled pen

Details Angled pen Angled pen

1992-12-21

1994-03-29

Holtje, Nelson C.

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

D19 45, D19 41, D19 55

Patent

active

D03455793

REFERENCES:
patent: D154610 (1949-07-01), Kuhn
patent: D173926 (1955-01-01), Zabilansky
patent: D185331 (1989-05-01), Tannenbaum
patent: D194522 (1963-02-01), Allegretti
patent: D198418 (1964-06-01), Fehling et al.
patent: D277231 (1985-01-01), Rosenbaum
patent: D311211 (1990-10-01), Oot
patent: D337611 (1993-07-01), Peersmann

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