Granted Patent
Utility
US 4,338,949 · App. 06/212,120
Method for performing non-invasive blood pressure and pulse rate measurements
Inventor:
Michael E. Croslin
Patented Case
View Patent ↗
Granted: Jul 13, 1982
Filed: Dec 2, 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.