Granted Patent
Utility
US 5,923,754 · App. 08/850,729
Copy protection for recorded media
Inventors:
Michael F. Angelo, Daniel J. Driscoll
Patented Case
View Patent ↗
Granted: Jul 13, 1999
Filed: May 2, 1997
Inventors
Michael F. Angelo
Daniel J. Driscoll
Assignee (at issue)
Compaq Computer Corporation
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.