Granted Patent
Utility
US 5,742,313 · App. 08/331,921
Efficient ink jet head arrangement
Inventor:
Nathan P. Hine
Patented Case
View Patent ↗
Granted: Apr 21, 1998
Filed: Oct 31, 1994
Inventor
Nathan P. Hine
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.