Granted Patent
Utility
US 6,234,535 · App. 09/640,793
Portable clipboard organizers
Inventor:
Kenneth B. Roberts
Patented Case
View Patent ↗
Granted: May 22, 2001
Filed: Aug 18, 2000
Inventor
Kenneth B. Roberts
Assignee (at issue)
The Saunders Group, 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.