Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1984-08-10
1986-11-25
Burke, Wallace R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D23153
Patent
active
D02869080
REFERENCES:
patent: D247508 (1978-03-01), Kujawa, Jr.
patent: 4038911 (1977-08-01), Hart
patent: 4094935 (1978-06-01), Walker et al.
patent: 4300440 (1981-11-01), Holter
Mizuno Shigeo
Takahashi Masaki
Burke Wallace R.
Nishiyama Corporation of America
Vinson Brian N.
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