Granted Patent
Utility
US 5,886,971 · App. 08/994,281
Optical head structures including support substrates adjacent transparent substrates and related methods
Inventors:
Michael R. Feldman, Alan D. Kathman
Patented Case
View Patent ↗
Granted: Mar 23, 1999
Filed: Dec 19, 1997
Inventors
Michael R. Feldman
Alan D. Kathman
Assignee (at issue)
DigitalOptics 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.