Granted Patent
Utility
US 4,969,713 · App. 07/283,192
Marker strip surface for roadways and the like
Inventor:
Charles W. Wyckoff
Patented Case
View Patent ↗
Granted: Nov 13, 1990
Filed: Dec 12, 1988
Inventor
Charles W. Wyckoff
Assignee (at issue)
Brite Line Corporation
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.