Granted Patent
Utility
US 6,668,606 · App. 10/115,749
Electronic token lock core
Inventors:
Roger Keith Russell, James Edmond Beylotte, Ralph P. Palmer
Patented Case
View Patent ↗
Granted: Dec 30, 2003
Filed: Apr 3, 2002
Inventors
Roger Keith Russell
James Edmond Beylotte
Ralph P. Palmer
Assignee (at issue)
Best Access Systems
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.