Granted Patent
Utility
US 6,019,503 · App. 09/045,721
Method for identifying surface conditions of a moving medium
Inventors:
David W. Abraham, Timothy J. Chainer
Patented Case
View Patent ↗
Granted: Feb 1, 2000
Filed: Mar 20, 1998
Inventors
David W. Abraham
Timothy J. Chainer
Assignee (at issue)
International Business Machines Corporation
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.