United States Patent 3086529
Inventors:
Munz, Max M.
Kelson, Arthur W.
Publication Date:
04/23/1963
Assignee:
PROPPER MFG COMPANY INC
Other Classes:
D02/627, 604/391, 2/338, 2/306, 128/DIG.015, 428/100, 63/3, 206/813, 128/96.100, 128/878, 2/325
International Classes:
A61B17/132; A61F13/00; A61F13/56; A61B17/12