Granted Patent
Utility
US 6,446,871 · App. 09/335,119
Method and apparatus for storing reference codes in a writing instrument and for retrieving information identifed by the reference codes
Inventors:
John E. Buckley, Thomas H. Peterson, Paul E. Linderson, Frank Mercurio, Robert O. Southworth
Patented Case
View Patent ↗
Granted: Sep 10, 2002
Filed: Jun 17, 1999
Inventors
John E. Buckley
Thomas H. Peterson
Paul E. Linderson
Frank Mercurio
Robert O. Southworth
Assignee (at issue)
A.T. CROSS COMPANY, LLC
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.