Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1980-12-09
1983-10-18
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D2304
Patent
active
D02710412
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patent: D209939 (1968-01-01), Grubo
patent: D210435 (1968-03-01), Boldt
patent: D217719 (1970-06-01), McNair et al.
patent: D255832 (1980-07-01), Reichl
patent: D259954 (1981-07-01), Reichl
patent: 1973021 (1937-09-01), Snyder
patent: 2329536 (1943-09-01), Hottinger
patent: 3949743 (1976-04-01), Shanbrom
Calor S.A.
Largen James R.
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