Granted Patent
Utility
US 5,757,400 · App. 08/594,405
High resolution matrix ink jet arrangement
Inventor:
Paul A. Hoisington
Patented Case
View Patent ↗
Granted: May 26, 1998
Filed: Feb 1, 1996
Inventor
Paul A. Hoisington
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.