Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1984-09-17
1987-02-24
Bullock, B. J.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
Patent
active
D02884763
REFERENCES:
patent: D222252 (1971-10-01), Coleman et al.
patent: D222254 (1971-10-01), Kattelmann et al.
patent: 3630361 (1971-12-01), Keating
patent: 4265647 (1981-05-01), Donachiue
Bullock B. J.
Kleeman Werner W.
Luwa AG
Vinson Brian N.
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