Granted Patent
Utility
US 6,227,454 · App. 09/353,698
Device and method for applying night-visible road markings
Inventors:
Charles Roland Wolf, Howard Schierling
Patented Case
View Patent ↗
Granted: May 8, 2001
Filed: Jul 14, 1999
Inventors
Charles Roland Wolf
Howard Schierling
Assignee (at issue)
Jackson Products, 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.