Granted Patent
Utility
US 4,300,767 · App. 06/060,316
Inflated game ball having long lasting pressure retention with decreased noise
Inventors:
Thomas F. Reed, Raymond K. Ritzert
Patented Case
View Patent ↗
Granted: Nov 17, 1981
Filed: Jul 25, 1979
Inventors
Thomas F. Reed
Raymond K. Ritzert
Assignee (at issue)
The General Tire & Rubber Company
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.