Granted Patent
Utility
US 5,168,239 · App. 07/597,733
Method and apparatus for adjusting the threshold for determining the thickness of or the number of sheets in a sheet material
Inventor:
Peter L. Winship
Patented Case
View Patent ↗
Granted: Dec 1, 1992
Filed: Oct 15, 1990
Inventor
Peter L. Winship
Assignee (at issue)
Teknekron Communications Systems, Inc.
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.