Granted Patent
Utility
US 5,969,915 · App. 08/968,195
Disk cartridge with medium distortion neutralizing projection
Inventor:
Robert S. Patterson
Patented Case
View Patent ↗
Granted: Oct 19, 1999
Filed: Nov 12, 1997
Inventor
Robert S. Patterson
Assignee (at issue)
IO-Mega Holding 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.