Granted Patent
Utility
US 5,438,739 · App. 08/066,908
Method of making an elongated ink jet printhead
Inventor:
Daniel B. Granzow
Patented Case
View Patent ↗
Granted: Aug 8, 1995
Filed: May 25, 1993
Inventor
Daniel B. Granzow
Assignee (at issue)
Compaq Computer 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.