Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1978-12-18
1980-01-22
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D2304
Patent
active
D02540274
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patent: D136877 (1943-12-01), Estes
patent: D196579 (1963-10-01), Kagan
patent: D196907 (1963-11-01), Halvorson
patent: D216974 (1970-03-01), Wilson
patent: D226433 (1973-03-01), Hill
patent: D236122 (1975-07-01), Numbers
patent: 1972368 (1934-09-01), Alex
patent: 2228505 (1941-01-01), Carter et al.
patent: 2234021 (1941-03-01), Castrique
patent: 2942786 (1960-06-01), Wenner et al.
Armstrong John C.
Palson Richard C.
Largen James R.
Meyer Robert E.
The Pharmasol Corporation
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