Title:
Breathing indicator
United States Patent 2904033


Inventors:
Shane, Sylvan M.
Application Number:
US64382957A
Publication Date:
09/15/1959
Filing Date:
03/04/1957
Assignee:
Shane, Sylvan M.
Primary Class:
Other Classes:
128/205.23
International Classes:
A61M16/00
View Patent Images:
US Patent References:
2807012Transfusion monitoring device1957-09-17
2760184System for detecting solids in gaseous streams1956-08-21
2757533Gas leak detector for well casing1956-08-07
2596152Oxygen breathing system1952-05-13
2431328Respiroscope1947-11-25
2376971Sonant respiration indicator1945-05-29
2210417Leak detector1940-08-06
2153254Method and means of measuring fluid flow1939-04-04
0820259N/A1906-05-08