Granted Patent
Utility
US 5,908,103 · App. 08/985,598
Token with Wiegand wire
Inventor:
David J. Dlugos
Patented Case
View Patent ↗
Granted: Jun 1, 1999
Filed: Dec 5, 1997
Inventor
David J. Dlugos
Assignee (at issue)
HID 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.