Granted Patent
Utility
US 6,469,685 · App. 09/103,039
Display panel filter and method of making the same
Inventors:
Daniel Woodruff, Bruce E. Kuhlmann, Jesse D. Wolfe
Patented Case
View Patent ↗
Granted: Oct 22, 2002
Filed: Jun 23, 1998
Inventors
Daniel Woodruff
Bruce E. Kuhlmann
Jesse D. Wolfe
Assignee (at issue)
Viratec Thin Films, 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.