Granted Patent
Utility
US 4,299,411 · App. 06/045,768
Pressure-sensitive record material
Inventor:
Bruce W. Brockett
Patented Case
View Patent ↗
Granted: Nov 10, 1981
Filed: Jun 5, 1979
Inventor
Bruce W. Brockett
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.