Case

Details Case Case

1990-11-01

1992-11-10

Word, A. Hugo

Office supplies; artists and teachers materials

Office equipment not elsewhere specified

Holder or file

D 3 301

Patent

active

D03309134

REFERENCES:
patent: Re20986 (1939-01-01), Kreisler
patent: D97936 (1935-12-01), Neumann-Holste
patent: D144357 (1946-04-01), Crane
patent: D144533 (1946-04-01), Worley
patent: D257800 (1981-01-01), Pedersen
patent: D273427 (1984-04-01), Barradas
patent: D283950 (1986-05-01), Markowitz
patent: D310102 (1990-08-01), Rittenhouse
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patent: 1165908 (1915-12-01), Rietveld
patent: 1816049 (1931-07-01), Larner
patent: 1817310 (1931-08-01), Hauch
patent: 2090886 (1937-08-01), Dion
patent: 2281663 (1942-05-01), Bohr
patent: 2492864 (1949-12-01), Hermani
patent: 4863034 (1989-09-01), Contreras, Sr.
patent: 5004106 (1991-04-01), Blumstock et al.
patent: 5040680 (1991-08-01), Wilson et al.

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