Granted Patent
Utility
US 5,420,379 · App. 08/050,349
Electromagnetic position transducer having active transmitting stylus
Inventors:
Anthony E. Zank, Michael N. Gilano, Kenneth S. Gold, H. Maurice France
Patented Case
View Patent ↗
Granted: May 30, 1995
Filed: Apr 27, 1993
Inventors
Anthony E. Zank
Michael N. Gilano
Kenneth S. Gold
H. Maurice France
Assignee (at issue)
LOGITECH, 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.