Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1981-08-24
1984-03-27
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
Patent
active
D02732254
REFERENCES:
patent: D189991 (1961-03-01), Lien
patent: D190728 (1961-06-01), Brownstein
patent: D193930 (1962-10-01), Lewis
patent: D196579 (1963-10-01), Kagan
patent: D245705 (1977-09-01), Fukada
patent: 3125407 (1964-03-01), Kagan
patent: 3993444 (1976-11-01), Brown
patent: 4035451 (1977-07-01), Tringali
patent: 4166087 (1979-08-01), Cline et al.
patent: 4301095 (1981-11-01), Mattler
patent: 4383951 (1983-05-01), Palson
Largen James R.
Woodlets, Inc.
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