Granted Patent
Utility
US 6,450,721 · App. 09/931,824
Stylus and retractable pen
Inventors:
Richard Joseph D'Amico, Gregor Mittersinker, Raul G. Pereira
Patented Case
View Patent ↗
Granted: Sep 17, 2002
Filed: Aug 17, 2001
Inventors
Richard Joseph D'Amico
Gregor Mittersinker
Raul G. Pereira
Assignee (at issue)
A.T.X. International, Inc.
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.