Granted Patent
Utility
US 5,442,147 · App. 08/117,200
Position-sensing apparatus
Inventors:
John M. Burns, Sheelagh Anne Lloyd
Patented Case
View Patent ↗
Granted: Aug 15, 1995
Filed: Sep 15, 1993
Inventors
John M. Burns
Sheelagh Anne Lloyd
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.