Granted Patent
Utility
US 5,124,307 · App. 07/745,571
Thermally-responsive record material
Inventors:
Dean G. Dalebroux, Kenneth D. Glanz
Patented Case
View Patent ↗
Granted: Jun 23, 1992
Filed: Aug 15, 1991
Inventors
Dean G. Dalebroux
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.