Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1975-09-15
1977-04-12
Burke, Wallace R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D2303
Patent
active
D02440326
REFERENCES:
patent: 762203 (1904-06-01), Segerstrom
patent: 1214047 (1917-01-01), McGinnis
patent: 1482289 (1924-01-01), Dodge
patent: 2890866 (1959-06-01), Hansen
patent: 2895719 (1959-07-01), Blaskowski
Deetz Niles Ellis
Garcia Arcadio Alvarez
Bullock B. J.
Burke Wallace R.
Murphey John J.
Stack Heater's Inc.
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