Granted Patent
Utility
US 4,596,996 · App. 06/700,583
Pressure-sensitive recording sheet
Inventors:
Robert W. Sandberg, Bruce W. Brockett, Kristi A. Blythe
Patented Case
View Patent ↗
Granted: Jun 24, 1986
Filed: Feb 11, 1985
Inventors
Robert W. Sandberg
Bruce W. Brockett
Kristi A. Blythe
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.