Granted Patent
Utility
US 4,326,537 · App. 06/208,260
Method and apparatus for performing non-invasive blood pressure and pulse rate measurements
Inventor:
Michael E. Croslin
Patented Case
View Patent ↗
Granted: Apr 27, 1982
Filed: Nov 19, 1980
Inventor
Michael E. Croslin
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.