Granted Patent
Utility
US 6,222,003 · App. 09/445,954
Optical film and method for producing same
Inventors:
Masahiro Hosoi, Tamiaki Nagoshi
Patented Case
View Patent ↗
Granted: Apr 24, 2001
Filed: Dec 16, 1999
Inventors
Masahiro Hosoi
Tamiaki Nagoshi
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.