Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1980-11-20
1982-10-26
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D2302
Patent
active
D02666928
REFERENCES:
patent: D118371 (1940-01-01), Goeltz
patent: D237183 (1975-10-01), Bonsack
patent: D237189 (1975-10-01), Rosenhaus
patent: D238071 (1975-12-01), Ganger
patent: D238072 (1975-12-01), Ganger
patent: D238074 (1975-12-01), Gruber
patent: D243693 (1977-03-01), Gruber
patent: D246597 (1977-12-01), Ridgeway
patent: 1940514 (1933-12-01), Steinkamp
Kallista Baths, Inc.
Largen James R.
O'Neill James G.
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