Granted Patent
Utility
US 4,810,091 · App. 07/139,509
Apparatus and method for adjusting focus of a multi-element optical detector
Inventor:
James J. Sullivan
Patented Case
View Patent ↗
Granted: Mar 7, 1989
Filed: Dec 30, 1987
Inventor
James J. Sullivan
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.