Granted Patent
Utility
US 5,570,847 · App. 08/356,848
Methods of heat-treating miltilayer inteference platelets
Inventors:
Roger W. Phillips, Shari Powell Fisher, Paul G. Coombs
Patented Case
View Patent ↗
Granted: Nov 5, 1996
Filed: Dec 15, 1994
Inventors
Roger W. Phillips
Shari Powell Fisher
Paul G. Coombs
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.