Furnishings – Furniture – freestanding support – or frame therefor – Element
Patent
1977-02-23
1979-07-10
Dunkins, Bruce W.
Furnishings
Furniture, freestanding support, or frame therefor
Element
D10 15, D0606, D1801
Patent
active
D02523019
REFERENCES:
patent: D102468 (1936-12-01), McCoy
patent: D210670 (1968-04-01), Eddy
patent: D227473 (1973-06-01), Lampel
patent: D227673 (1973-07-01), Maeda et al.
"Smith System" brochure, p. A, Lectern No. 46.
Dunkins Bruce W.
Educational Calculator Devices, Inc.
Schwend Fred N.
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