Title:
Obstetrical apparatus
United States Patent 2597637


Inventors:
Hermann, Heidenwolf
Application Number:
US77012747A
Publication Date:
05/20/1952
Filing Date:
08/22/1947
Assignee:
Hermann, Heidenwolf
Primary Class:
Other Classes:
601/148, 606/121, 606/123
International Classes:
A61B17/42
View Patent Images:
US Patent References:
2223570Apparatus for producing artificial respiration1940-12-03
2104758Method and apparatus for controlling the distribution and pressure of certain human body fluids and contents1938-01-11
2088044Passive vascular exerciser1937-07-27
1013800N/A1912-01-02
0504598N/A1893-09-05
0412999N/A1889-10-15
0177569N/A1876-05-16
Foreign References:
GB191217730A1913-07-31