Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1981-05-18
1984-07-17
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
Patent
active
D02747499
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patent: D180098 (1957-04-01), Mueller
patent: D207812 (1967-05-01), Bass et al.
patent: D219588 (1970-12-01), Laupot
patent: D226740 (1973-04-01), Steinkamp
patent: 2451193 (1948-10-01), Brandenburg
patent: 2797631 (1957-07-01), Davis
patent: 2827844 (1958-03-01), Weir
patent: 3223313 (1965-12-01), Kinsworthy
patent: 3327935 (1967-06-01), Berlant
patent: 3396651 (1968-08-01), Kamiya et al.
Eckelman Eugene M.
Largen James R.
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