Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1977-09-01
1980-02-19
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D2301
Patent
active
D02542668
REFERENCES:
patent: D243456 (1977-02-01), Ryan
patent: D243457 (1977-02-01), Ryan
patent: 1457183 (1923-05-01), Mitchell
patent: 1787580 (1931-01-01), Jasper
patent: 1872357 (1932-08-01), Straty
patent: 1924121 (1933-08-01), Jasper
patent: 1933772 (1933-11-01), Stresau
patent: 2011719 (1935-08-01), Kidd
patent: 2496677 (1950-02-01), Reedy
patent: 3254909 (1966-06-01), Ver Nooy
Largen James R.
WFI International, Inc.
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