Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1980-07-17
1982-11-16
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D2302
Patent
active
D02669412
REFERENCES:
patent: D36881 (1904-04-01), Weelans
patent: D93716 (1934-10-01), Hesler
patent: D216119 (1969-11-01), Kaiser
patent: D216120 (1969-11-01), Niemann et al.
patent: D233756 (1974-11-01), Schrock
patent: D235446 (1975-06-01), Korol
patent: D238074 (1975-12-01), Gruber
American Standard Inc.
Crooks Robert G.
Largen James R.
Salerno, Jr. James J.
Sinnott John P.
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