Granted Patent
Utility
US 6,492,967 · App. 10/133,003
Fabrication of a twisting ball display having two or more different kinds of balls
Inventors:
Nicholas K. Sheridon, Jock Douglas Mackinlay, Maureen C. Stone
Patented Case
View Patent ↗
Granted: Dec 10, 2002
Filed: Apr 26, 2002
Inventors
Nicholas K. Sheridon
Jock Douglas Mackinlay
Maureen C. Stone
Assignee (at issue)
Xerox Corporation
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.