Granted Patent
Utility
US 4,893,631 · App. 07/160,146
Active element selection for continuous blood pressure monitor transducer
Inventors:
Dennis J. Wenzel, Dean C. Winter, Kevin S. Honeyager
Patented Case
View Patent ↗
Granted: Jan 16, 1990
Filed: Feb 25, 1988
Inventors
Dennis J. Wenzel
Dean C. Winter
Kevin S. Honeyager
Assignee (at issue)
Colin Electronics Co., Ltd.
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.