Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1984-01-05
1987-04-28
Burke, Wallace R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
Patent
active
D02895420
REFERENCES:
patent: D212091 (1968-08-01), Cloud
patent: D217767 (1970-06-01), Harness
patent: D222674 (1971-11-01), Engel
patent: D275416 (1984-09-01), Clivio et al.
patent: 1942395 (1934-01-01), Bersted
patent: 3015448 (1962-01-01), Hurless
patent: 3249309 (1966-05-01), Blackhall
Burke Wallace R.
Vinson Brian N.
Wormald International Limited
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