Granted Patent
Utility
US 5,515,480 · App. 08/260,085
System and method for enhancing graphic features produced by marking engines
Inventor:
Allen L. Frazier
Patented Case
View Patent ↗
Granted: May 7, 1996
Filed: Jun 15, 1994
Inventor
Allen L. Frazier
Assignee (at issue)
DP-Tek, 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.