Granted Patent
Utility
US 6,166,852 · App. 08/944,076
Window film with optical brightener
Inventor:
Frank Miro
Patented Case
View Patent ↗
Granted: Dec 26, 2000
Filed: Oct 4, 1997
Inventor
Frank Miro
Assignee (at issue)
Film Technologies International, 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.