Granted Patent
Utility
US 5,711,291 · App. 08/351,323
Blood pressure transducer
Inventor:
Sunsuke Takaki
Patented Case
View Patent ↗
Granted: Jan 27, 1998
Filed: Dec 12, 1994
Inventor
Sunsuke Takaki
Assignee (at issue)
Minnesota Mining and Manufacturing Company
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.