Granted Patent
Utility
US 5,283,686 · App. 07/919,823
Optical systems with grating reflector
Inventor:
David R. Huber
Patented Case
View Patent ↗
Granted: Feb 1, 1994
Filed: Jul 27, 1992
Inventor
David R. Huber
Assignee (at issue)
General Instrument Corporation Jerrold Communications
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.