Granted Patent
Utility
US 4,875,916 · App. 07/247,984
Methods of adjusting the configuration of optical substrates
Inventors:
Gary L. Baltzer, Brian Lynch, William D. O'Brien, Jr.
Patented Case
View Patent ↗
Granted: Oct 24, 1989
Filed: Sep 22, 1988
Inventors
Gary L. Baltzer
Brian Lynch
William D. O'Brien, Jr.
Assignee (at issue)
American Telephone and Telegraph Company, AT&T Technologies, 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.