Title:
Surgical drain
United States Patent 3020913


Inventors:
Heyer, William T.
Application Number:
US74865258A
Publication Date:
02/13/1962
Filing Date:
07/15/1958
Assignee:
Heyer, William T.
Primary Class:
Other Classes:
604/247, 604/268
International Classes:
A61M25/00; A61M25/01; A61M27/00
View Patent Images:
Foreign References:
DK32174A
DE825924C1951-12-27