Granted Patent
Utility
US 5,274,229 · App. 07/713,718
Absolute position encoder
Inventor:
Akhtar R. Khan
Patented Case
View Patent ↗
Granted: Dec 28, 1993
Filed: Jun 11, 1991
Inventor
Akhtar R. Khan
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.