Granted Patent
Utility
US 5,223,026 · App. 07/738,024
Ink jet compositions and processes
Inventor:
William M. Schwarz
Patented Case
View Patent ↗
Granted: Jun 29, 1993
Filed: Jul 30, 1991
Inventor
William M. Schwarz
Assignee (at issue)
Xerox 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.