Granted Patent
Utility
US 5,508,509 · App. 08/159,799
Sensing elements and methods for uniformly making individual sensing elements
Inventors:
Masao Yafuso, Ronnie L. Pratt, Kathryn R. Bretscher, Kenneth B. Wood, John L. Dektar, James G. Bentsen
Patented Case
View Patent ↗
Granted: Apr 16, 1996
Filed: Nov 30, 1993
Inventors
Masao Yafuso
Ronnie L. Pratt
Kathryn R. Bretscher
Kenneth B. Wood
John L. Dektar
James G. Bentsen
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.