Combined holder for a writing instrument, clock and calculator

Details Combined holder for a writing instrument, clock and calculator Combined holder for a writing instrument, clock and calculator

1990-01-19

1993-02-09

Douglas, Alan P.

Office supplies; artists and teachers materials

Office equipment not elsewhere specified

Holder or file

D10 2, D18 2, D19 46, D19 84

Patent

active

D03331580

REFERENCES:
patent: D112183 (1938-11-01), Silvers
patent: D113519 (1939-02-01), Meyer
patent: D164616 (1951-09-01), Weiner
patent: D186702 (1959-11-01), Bunn
patent: D255695 (1980-07-01), Yu
patent: D259123 (1981-05-01), Macowski
patent: D264821 (1982-06-01), Henkels
patent: D270623 (1983-09-01), Henkels
patent: D286550 (1986-11-01), Yuen
patent: D303398 (1989-09-01), Lowinger

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