Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1979-05-07
1981-05-05
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D2302
Patent
active
D02591375
REFERENCES:
patent: D160067 (1950-09-01), Brown, Jr.
patent: D215214 (1969-09-01), Huling
patent: D223667 (1972-05-01), DiPierro et al.
patent: D237617 (1975-11-01), McIntosh
patent: 3591871 (1971-07-01), Segal
Mobile Home/Travel Trailer Dealer, Apr. 20, 1968, p. 165, top left item.
Dumont Harry R.
Largen James R.
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