Granted Patent
Utility
US 4,012,554 · App. 05/531,932
Single coating record system-solvent loss produces color
Inventors:
Robert E. Miller, Robert W. Brown, Paul S. Phillips, Jr.
Patented Case
View Patent ↗
Granted: Mar 15, 1977
Filed: Dec 12, 1974
Inventors
Robert E. Miller
Robert W. Brown
Paul S. Phillips, Jr.
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.