Granted Patent
Utility
US 5,587,955 · App. 08/355,362
Electronic token
Inventors:
Robert D. Lee, Stephen M. Curry, Michael L. Bolan, Hal Kurkowski, Donald R. Diaz, Francis A. Scherpenberg, Kevin Deierling
Patented Case
View Patent ↗
Granted: Dec 24, 1996
Filed: Dec 13, 1994
Inventors
Robert D. Lee
Stephen M. Curry
Michael L. Bolan
Hal Kurkowski
Donald R. Diaz
Francis A. Scherpenberg
Kevin Deierling
Assignee (at issue)
Dallas Semiconductor Corporation
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.