Granted Patent
Utility
US 6,271,986 · App. 09/444,227
Video disk cartridge disk hub locking mechanism
Inventors:
Albert J. Guerini, Syed H. Iftikar, Frank Morris, Long Nguyen
Patented Case
View Patent ↗
Granted: Aug 7, 2001
Filed: Nov 19, 1999
Inventors
Albert J. Guerini
Syed H. Iftikar
Frank Morris
Long Nguyen
Assignee (at issue)
Castlewood Systems, 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.