Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1982-06-25
1984-07-31
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
Patent
active
D02749351
REFERENCES:
patent: D190144 (1961-04-01), Breidert
patent: D209249 (1967-11-01), Militello
patent: D243856 (1977-03-01), Panek
patent: D244539 (1977-05-01), Mulligan
patent: D258083 (1981-01-01), Gammell
patent: D259208 (1981-05-01), McCullough
patent: 2593533 (1952-04-01), Cammarato
patent: 4051770 (1977-10-01), Felter et al.
patent: 4287816 (1981-09-01), Riccard
patent: 4374534 (1983-02-01), Jespers et al.
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