Title:
Non-sparking medico-surgical tubes
United States Patent 3070132
Inventors:
Sheridan, David S.
Publication Date:
12/25/1962
Assignee:
Sheridan, David S.
Other Classes:
361/215, 138/103, 604/523, 128/202.240, 174/47
International Classes:
A61B5/0424; A61M25/00; F16L11/127; H05F3/02; A61B5/0408; F16L11/12