Granted Patent
Utility
US 5,169,468 · App. 07/554,865
Acceptor sheet for wax thermal mass transfer printing
Inventors:
Susan D. Royce, John Blair
Patented Case
View Patent ↗
Granted: Dec 8, 1992
Filed: Jul 20, 1990
Inventors
Susan D. Royce
John Blair
Assignee (at issue)
Graphics Technology International 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.