Granted Patent
Utility
US 5,654,540 · App. 08/516,060
High resolution remote position detection using segmented gratings
Inventors:
Stuart Stanton, Donald L. White, George G. Zipfel, Jr.
Patented Case
View Patent ↗
Granted: Aug 5, 1997
Filed: Aug 17, 1995
Inventors
Stuart Stanton
Donald L. White
George G. Zipfel, Jr.
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.