Furnishings – Window covering
Patent
1990-02-23
1993-05-18
Douglas, Alan P.
Furnishings
Window covering
D 6576
Patent
active
D03356043
REFERENCES:
patent: 437436 (1890-09-01), Iles
patent: 441994 (1890-12-01), Watts
patent: 1342347 (1920-06-01), Nash
patent: 1920185 (1933-08-01), Carr, Jr.
patent: 3362053 (1968-01-01), Land
patent: 4355773 (1982-06-01), Masi
patent: 4428412 (1984-01-01), Toro
Ko Chi-Wai
Lui Tat-Nin
Choon Nang Electrical Appliance Manufactory Limited
Douglas Alan P.
Hannon Monica A.
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