Granted Patent
Utility
US 4,983,458 · App. 06/914,329
Reflective particles
Inventor:
Robert Dejaiffe
Patented Case
View Patent ↗
Granted: Jan 8, 1991
Filed: Oct 2, 1986
Inventor
Robert Dejaiffe
Assignee (at issue)
Potters Industries, LLC
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.