Granted Patent
Utility
US 4,751,528 · App. 07/094,664
Platen arrangement for hot melt ink jet apparatus
Inventors:
Charles W. Spehrley, Jr., Linda T. Creagh, Robert R. Schaffer
Patented Case
View Patent ↗
Granted: Jun 14, 1988
Filed: Sep 9, 1987
Inventors
Charles W. Spehrley, Jr.
Linda T. Creagh
Robert R. Schaffer
Assignee (at issue)
Spectra Group Limited, 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.