Granted Patent
Utility
US 5,032,004 · App. 07/526,348
Beam splitter apparatus with adjustable image focus and registration
Inventor:
Michael J. Steinle
Patented Case
View Patent ↗
Granted: Jul 16, 1991
Filed: May 21, 1990
Inventor
Michael J. Steinle
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.