Granted Patent
Utility
US 6,181,887 · App. 09/471,863
Control system utilizing virtual belt holes
Inventors:
David Anthony Hughes, Michael B. Monahan, Orlando J. Lacayo
Patented Case
View Patent ↗
Granted: Jan 30, 2001
Filed: Dec 23, 1999
Inventors
David Anthony Hughes
Michael B. Monahan
Orlando J. Lacayo
Assignee (at issue)
Xerox 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.