Drainage tube
United States Patent 2072346

Inventors:
Smith, Ward R.
Publication Date:
03/02/1937
View Patent Images:
Download PDF 2072346 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
Smith, Ward R.
Primary Class:
27/24.200
Other Classes:
604/105
International Classes:
A61B17/34; A61M25/00; A61M27/00; A61M29/00