Granted Patent
Utility
US 4,841,674 · App. 07/126,862
Athletic numerical indicator display
Inventor:
Robert L. Smith
Patented Case
View Patent ↗
Granted: Jun 27, 1989
Filed: Nov 30, 1987
Inventor
Robert L. Smith
Assignee (at issue)
Pro-Down, Incorporated
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.