Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1978-02-21
1980-07-08
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D2302
Patent
active
D02558297
REFERENCES:
patent: D196290 (1963-09-01), King
patent: D206220 (1966-11-01), Flores
patent: 1684503 (1928-09-01), Nilson
patent: 2757385 (1956-08-01), Whittiek
patent: 3363267 (1968-01-01), Kaiser et al.
patent: 3457568 (1969-07-01), Amatruda
patent: 3551918 (1971-01-01), Bergmark
patent: 3800335 (1974-04-01), Buonaura
Largen James R.
Schmidt Gordon D.
Stern-Williams Co., Inc.
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