Evaporative cooler construction
United States Patent 3197183
US Patent References:
/0563493.html
- - 0563493

/1249910.html
- - 1249910

Wall structure
- - 2319403

Rotary operative closure fastener
- - 2334681

Evaporative cooler
- - 2404479


Inventors:
Koble Jr., Robert L.
Publication Date:
07/27/1965
View Patent Images:
Assignee:
MC GRAW EDISON CO
Primary Class:
Other Classes:
261/97
International Classes:
F24F6/04; F28F25/04; F24F6/02; F28F25/00
US Patent References:
2752842Automobile air conditioner
2827270Evaporation cooler
3064677Metering valve device for recirculating flowlines