Granted Patent
Utility
US 5,296,381 · App. 07/742,002
Sensing elements and methods for making and using same
Inventors:
Masao Yafuso, Paul F. Korkowski, Roger A. Mader, Cheng F. Yan, John T. Carlock
Patented Case
View Patent ↗
Granted: Mar 22, 1994
Filed: Aug 8, 1991
Inventors
Masao Yafuso
Paul F. Korkowski
Roger A. Mader
Cheng F. Yan
John T. Carlock
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.