Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1982-12-20
1985-10-22
Kemper, Catherine E.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
Patent
active
D02811006
REFERENCES:
patent: D33102 (1900-08-01), Eggers
patent: D45720 (1914-05-01), Kimball
patent: D52078 (1918-06-01), Manley
patent: D53098 (1919-03-01), Wooden
patent: D156959 (1950-01-01), Hofman
patent: 3103219 (1963-09-01), Chadner
patent: 4204110 (1980-05-01), Snut et al.
patent: 4335725 (1982-06-01), Geldmacher
patent: 4381009 (1983-04-01), Del Bon
Kemper Catherine E.
Robo Products Ltd.
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