United States Patent 3397887
Inventors:
Caplan, David M.
Publication Date:
08/20/1968
Assignee:
VOIT RUBBER CORP
Other Classes:
15/104.310, 114/123, 264/310, 473/610, 425/430, 482/86, 116/DIG.009
International Classes:
A63B43/00; B29D22/04; B29D22/00