Granted Patent
Utility
US 6,572,784 · App. 09/715,937
Luminescent pigments and foils with color-shifting properties
Inventors:
Paul G. Coombs, Jaroslaw Zieba, Richard A. Bradley, Jr., Christopher W. Lantman, Thomas Mayer, Roger W. Phillips, Stacey A. Yamanaka
Patented Case
View Patent ↗
Granted: Jun 3, 2003
Filed: Nov 17, 2000
Inventors
Paul G. Coombs
Jaroslaw Zieba
Richard A. Bradley, Jr.
Christopher W. Lantman
Thomas Mayer
Roger W. Phillips
Stacey A. Yamanaka
Assignee (at issue)
Flex 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.