Granted Patent
Utility
US 5,122,623 · App. 07/667,604
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: Jun 16, 1992
Filed: Mar 8, 1991
Inventors
Anthony E. Zank
Michael N. Gilano
Kenneth S. Gold
H. Maurice France
Assignee (at issue)
Gazelle Graphic Systems 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.