Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1985-08-22
1987-09-29
Burke, Wallace R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D 8 10
Patent
active
D02921189
REFERENCES:
patent: D213058 (1968-12-01), Clifton
patent: D241410 (1976-09-01), Atkinson
patent: D245664 (1977-09-01), Holcombe
patent: 2247958 (1941-07-01), Maxcy
patent: 3149873 (1964-09-01), Mockabee
patent: 3210112 (1965-10-01), Glynn
patent: 3289418 (1966-12-01), Edgerton
Burke Wallace R.
Stahl John C.
Vinson Brian N.
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