Granted Patent
Utility
US 4,833,802 · App. 07/106,106
Method of making pop-ups
Inventor:
John K. Volkert
Patented Case
View Patent ↗
Granted: May 30, 1989
Filed: Oct 7, 1987
Inventor
John K. Volkert
Assignee (at issue)
One Up, 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.