Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1976-07-22
1977-11-08
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D2304
Patent
active
D02463172
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patent: D142009 (1945-08-01), Anderson
patent: D171177 (1953-12-01), Zelenka
patent: D212753 (1968-11-01), Tughan
patent: D234606 (1975-03-01), Gamble
patent: D235648 (1975-07-01), Anderson
patent: 2989632 (1961-06-01), Olson et al.
patent: 3976246 (1976-08-01), Hauri et al.
patent: 4014501 (1977-03-01), Buckenmayer
Heath Eric Desmond
Smith Brian
Wade Michael James
Young Stewart Charles Arthur
Airwick Industries Inc.
Jorda Karl F.
Largen James R.
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