Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1981-04-08
1983-11-22
Ansher, Bernard
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D23 02, D2399
Patent
active
D02715180
REFERENCES:
patent: D249801 (1978-10-01), Hollingsworth
patent: D265848 (1982-08-01), Johansson
patent: 2835404 (1958-05-01), Andrus
patent: 3462041 (1969-08-01), Wilson
patent: 3744670 (1973-07-01), De Frees
patent: 3924778 (1975-12-01), Sorensen
patent: 4127215 (1978-11-01), Morrison
patent: 4379513 (1983-04-01), Basterfield et al.
Ansher Bernard
Gulf & Western Manufacturing Company
Sherman Charles I.
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