Granted Patent
Utility
US 5,768,616 · App. 08/573,211
Apparatus for detecting electro-magnetic stylus signals by inducing current into a plurality of sensor coils using signals transmitted by the tranmitter coil of the stylus
Inventor:
Jerzy A. Teterwak
Patented Case
View Patent ↗
Granted: Jun 16, 1998
Filed: Dec 13, 1995
Inventor
Jerzy A. Teterwak
Assignee (at issue)
Symbios, Inc.
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.