United States Patent 2514463
Inventors:
Bayers Jr., George W.
Publication Date:
07/11/1950
Assignee:
Bayers Jr., George W.
Other Classes:
261/39.100, 261/136, 261/124, 261/140.100, 261/19, 261/DIG.007, 261/27
International Classes:
B01F3/04; B01F15/06; B01F15/00