Granted Patent
Utility
US 6,702,500 · App. 10/315,888
Writing instrument with combination pocket clip and stylus assembly
Inventors:
Kenneth Haffner, Gordon Perry
Patented Case
View Patent ↗
Granted: Mar 9, 2004
Filed: Dec 10, 2002
Inventors
Kenneth Haffner
Gordon Perry
Assignee (at issue)
Chartpak, 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.