Granted Patent
Utility
US 5,898,241 · App. 09/015,873
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Inventor:
Carl Ganderillas
Patented Case
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Granted: Apr 27, 1999
Filed: Jan 29, 1998
Inventor
Carl Ganderillas
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.