United States Patent 2601519
Inventors:
Hardy, Gordon W.
Ray, George C.
Paul, Carle
Publication Date:
06/24/1952
Assignee:
AIR PURIFICATION INC
Other Classes:
261/90, 261/23.100, 96/267, 261/DIG.009, 261/98
International Classes:
B01D47/08; B01D47/16; F24F3/16; B01D47/00; B01D47/06