Granted Patent
Utility
US 6,790,501 · App. 10/064,520
Limited-play optical media with improved shelf-life and playability
Inventors:
Hendrik Theodorus van de Grampel, Jan-Pleun Lens, Marc Brian Wisnudel, Daniel R. Olson, Joe Parker, Emil Markov Georgiev, Steven Hubbard
Patented Case
View Patent ↗
Granted: Sep 14, 2004
Filed: Jul 23, 2002
Inventors
Hendrik Theodorus van de Grampel
Jan-Pleun Lens
Marc Brian Wisnudel
Daniel R. Olson
Joe Parker
Emil Markov Georgiev
Steven Hubbard
Assignee (at issue)
General Electric Company
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.