United States Patent 3313044
Inventors:
Glass, Marvin I.
Meyer, Burton C.
Mcfarland, Norman T.
Publication Date:
04/11/1967
Assignee:
MARVIN GLASS & ASSOCIATES
Other Classes:
446/98, 223/68
International Classes:
A47F8/00; A63H3/48; A63H3/50; A63H3/00