Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1977-08-15
1979-10-02
Burke, Wallace R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D 7206, D2303, D0708
Patent
active
D02530678
REFERENCES:
patent: 4010729 (1977-03-01), Egli
patent: 4049196 (1977-09-01), Bergami, Jr. et al.
patent: 4060196 (1977-11-01), Goldsby et al.
Burke Wallace R.
Kemper Catherine
Klarquist Kenneth S.
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