Granted Patent
Utility
US 6,580,683 · App. 09/527,982
Optical recording medium having a master data area and a writeable data area
Inventors:
Michael F. Braitberg, Steven B. Volk, Daniel R. Zaharris, David H. Davies
Patented Case
View Patent ↗
Granted: Jun 17, 2003
Filed: Mar 17, 2000
Inventors
Michael F. Braitberg
Steven B. Volk
Daniel R. Zaharris
David H. Davies
Assignee (at issue)
DataPlay, 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.