Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1979-12-14
1981-12-22
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D2301
Patent
active
D02623951
REFERENCES:
patent: D194735 (1963-02-01), Chapman
patent: D205922 (1966-10-01), Moon
patent: D208846 (1967-10-01), Robarge
patent: D224654 (1972-08-01), Campbell
patent: D224707 (1972-09-01), Marsh
patent: D224708 (1972-09-01), Marsh
patent: D242041 (1976-10-01), Marsh
patent: D245786 (1977-09-01), Marsh
patent: 3073674 (1963-01-01), Rudelick
patent: 3732165 (1973-05-01), Campbell
patent: 4026801 (1977-05-01), Ward
Fisher Howard W.
Fisher Kirk R.
Averill, Jr. Edgar W.
Largen James R.
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