Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1976-06-17
1977-05-10
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D2302
Patent
active
D02442922
REFERENCES:
patent: D109713 (1938-05-01), Houston
patent: D143204 (1945-12-01), Fleischhauer
patent: D214270 (1969-05-01), Bonsack
patent: D226607 (1973-04-01), Lawrence
patent: D227101 (1973-06-01), Primault
patent: D229180 (1973-11-01), Mollerstedt
patent: D230021 (1974-01-01), Primault
patent: 1445243 (1923-02-01), Spaleck
patent: 3736924 (1973-06-01), Jacuzzi et al.
Largen James R.
Wilburn, Jr. Luke J.
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