Granted Patent
Utility
US 5,555,813 · App. 08/372,520
Permanment heat activated electrographic printing process and composition
Inventors:
Nathan Hale, Ming Xu
Patented Case
View Patent ↗
Granted: Sep 17, 1996
Filed: Jan 13, 1995
Inventors
Nathan Hale
Ming Xu
Assignee (at issue)
Sawgrass Systems, 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.