Title:
REVERSIBLE FOAM MATTRESS HAVING DIFFERENT DEGREES OF FIRMNESS
United States Patent 3534417


Inventors:
Boyles, Truman C.
Application Number:
US3534417DA
Publication Date:
10/20/1970
Filing Date:
07/08/1968
Assignee:
Truman, Boyles C.
Primary Class:
Other Classes:
5/727
International Classes:
A47C27/16; (IPC1-7): A47C23/00; A47C27/22
View Patent Images:
US Patent References:
3210781Mattress1965-10-12
3110042Mattress1963-11-12
3089154Mattress construction having different degrees of firmness1963-05-14