Card file

Details Card file Card file

1978-06-07

1981-02-17

Word, George P.

Office supplies; artists and teachers materials

Office equipment not elsewhere specified

Holder or file

D1902

Patent

active

D02582953

REFERENCES:
patent: D200180 (1965-01-01), Korzaan
patent: D250343 (1978-11-01), Macowski
patent: 1403869 (1922-01-01), Reid
patent: 2131093 (1938-09-01), Cage
patent: 2219034 (1940-10-01), Logan
patent: 2503611 (1950-04-01), Bruen
patent: 2807355 (1957-09-01), Shiffman
patent: 2860767 (1958-11-01), Shiffman
patent: 3127987 (1964-04-01), Young
patent: 3127988 (1964-04-01), Young
patent: 3783999 (1974-01-01), Smith

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