Granted Patent
Utility
US 4,535,347 · App. 06/607,558
Thermally-responsive record material
Inventor:
Kenneth D. Glanz
Patented Case
View Patent ↗
Granted: Aug 13, 1985
Filed: May 7, 1984
Inventor
Kenneth D. Glanz
Assignee (at issue)
Appleton Papers 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.