Granted Patent
Utility
US 5,689,291 · App. 08/371,197
Method and apparatus for producing dot size modulated ink jet printing
Inventors:
David A. Tence, Sharon S. Berger, Ronald F. Burr
Patented Case
View Patent ↗
Granted: Nov 18, 1997
Filed: Jan 11, 1995
Inventors
David A. Tence
Sharon S. Berger
Ronald F. Burr
Assignee (at issue)
Tektronix, 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.