Title:
Parturitive phone
United States Patent 3348535
US Patent References:
Indicating system
- - 2409749
Arterial pulse wave velocity meter
- - 2658505
Apparatus for electronically locating nerve irritations
- - 2669986
Automatic sphygmomanometer
- - 2827040
/3052756.html
- - 3052756
Indicating system
- - 2409749
Arterial pulse wave velocity meter
- - 2658505
Apparatus for electronically locating nerve irritations
- - 2669986
Automatic sphygmomanometer
- - 2827040
/3052756.html
- - 3052756
Inventors:
Paul, Gregg David
Publication Date:
10/24/1967
View Patent Images:
Export Citation:
Assignee:
Paul, Gregg David
Primary Class:
Other Classes:
381/67
International Classes:
A61B5/024; A61B7/04; A61B7/00
US Patent References:
| 3171892 | Electronic apparatus for the observation of signals of biological origin |