Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1980-07-21
1983-11-08
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D2304
Patent
active
D02713284
REFERENCES:
patent: D219450 (1970-12-01), Ortega et al.
patent: D244293 (1977-05-01), Carluccio
patent: 3722845 (1973-03-01), Unger
patent: 4234526 (1980-11-01), MacKay et al.
patent: 4309365 (1982-01-01), Van Ness
Lanier Ted B.
Redwine, V Ras
Largen James R.
RLI Inc.
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