Granted Patent
Utility
US 6,227,643 · App. 09/030,631
Intelligent printer components and printing system
Inventors:
David A. Purcell, Richard A. Murray, Dan J. Dull
Patented Case
View Patent ↗
Granted: May 8, 2001
Filed: Feb 25, 1998
Inventors
David A. Purcell
Richard A. Murray
Dan J. Dull
Assignee (at issue)
Encad, 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.