Granted Patent
Utility
US 4,789,265 · App. 07/010,936
Court resurfacing apparatus and process
Inventors:
Jack H. Wilson, Sr., Willis G. Dykes
Patented Case
View Patent ↗
Granted: Dec 6, 1988
Filed: Feb 5, 1987
Inventors
Jack H. Wilson, Sr.
Willis G. Dykes
Assignee (at issue)
Sport Koter U.S.A., 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.