Granted Patent
Utility
US 4,966,156 · App. 07/160,689
Pressurization system for continuous blood pressure monitor transducer
Inventors:
William D. Perry, Dean C. Winter
Patented Case
View Patent ↗
Granted: Oct 30, 1990
Filed: Feb 25, 1988
Inventors
William D. Perry
Dean C. Winter
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.