United States Patent 3503886
Inventors:
Casely, Robert E.
Noel, Darwin R.
Publication Date:
03/31/1970
Assignee:
Mary, Noel C.
ARMOUR DIAL INC
Other Classes:
510/505, 510/501, 510/492
International Classes:
A01N31/12; A01N31/16; C11D3/48; A01N31/00; C11D9/50