United States Patent 3179108
Inventors:
Bloch, Heinz P.
Russell, Robert S.
Publication Date:
04/20/1965
Assignee:
JOHNSON & JOHNSON
Other Classes:
15/143.100, 15/209.100, 300/21, 19/145.300
International Classes:
A61F13/38; B29C31/00; B29C57/00; B29C59/02