Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1977-02-09
1979-05-08
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D2301
Patent
active
D02517930
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patent: D235063 (1975-05-01), Gunzel, Jr. et al.
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patent: 1769428 (1930-07-01), Gatchet
patent: 3447753 (1969-06-01), Proctor et al.
patent: 3632046 (1972-01-01), Hangesbach
patent: 3829023 (1974-08-01), Bouillard et al.
patent: 3940069 (1976-02-01), Gunzel, Jr. et al.
Jackson Harold L.
Largen James R.
The Leisure Group
LandOfFree
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