Granted Patent
Utility
US 4,027,065 · App. 05/570,050
Pressure-sensitive record material
Inventors:
Bruce W. Brockett, Frederick D. Weaver
Patented Case
View Patent ↗
Granted: May 31, 1977
Filed: Apr 28, 1975
Inventors
Bruce W. Brockett
Frederick D. Weaver
Assignee (at issue)
NCR Corporation
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.