Granted Patent
Utility
US 5,282,016 · App. 07/921,887
Optical alignment by use of arrays of reflective or diffractive optical elements and detectors
Inventors:
Gon-Yen Shen, William Zmek
Patented Case
View Patent ↗
Granted: Jan 25, 1994
Filed: Jul 29, 1992
Inventors
Gon-Yen Shen
William Zmek
Assignee (at issue)
Hughes Aircraft Company
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.