Granted Patent
Utility
US 4,462,590 · App. 06/436,011
Inflatable padded game ball
Inventor:
Mark E. Mitchell
Patented Case
View Patent ↗
Granted: Jul 31, 1984
Filed: Oct 22, 1982
Inventor
Mark E. Mitchell
Assignee (at issue)
Figgie Inernational 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.