Title:
Fetal heart monitor
United States Patent 2536527
US Patent References:
Apparatus for measuring and supervising the heart action
- - 2193945
Heartbeat rate indicating apparatus
- - 2439495
Apparatus for measuring and supervising the heart action
- - 2193945
Heartbeat rate indicating apparatus
- - 2439495
Inventors:
Albert, Appel
Publication Date:
01/02/1951
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Export Citation:
Assignee:
Albert, Appel
Primary Class:
Other Classes:
327/522, 361/191, 340/332, 340/573.100, 307/650, 361/183
International Classes:
A61B5/024; A61B17/42