Granted Patent
Utility
US 4,651,989 · App. 06/756,133
Flag football device and coupling therefor
Inventor:
Portor C. Wilson
Patented Case
View Patent ↗
Granted: Mar 24, 1987
Filed: Jul 17, 1985
Inventor
Portor C. Wilson
Assignee (at issue)
Flag-A-Tag, 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.