Granted Patent
Utility
US 6,726,952 · App. 10/031,182
Photo-luminescent pigment application
Inventors:
George Trevor Dimond, Paul Rodney Sapsford
Patented Case
View Patent ↗
Granted: Apr 27, 2004
Filed: Jun 3, 2002
Inventors
George Trevor Dimond
Paul Rodney Sapsford
Assignee (at issue)
Ecoglo Limited
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.