Granted Patent
Utility
US 5,383,995 · App. 08/146,834
Method of making optical thin flakes and inks incorporating the same
Inventors:
Roger W. Phillips, Thomas Mayer, Gary S. Ash
Patented Case
View Patent ↗
Granted: Jan 24, 1995
Filed: Oct 29, 1993
Inventors
Roger W. Phillips
Thomas Mayer
Gary S. Ash
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.