Granted Patent
Utility
US 6,172,849 · App. 08/924,013
Apparatus for retaining a disk cartridge shutter in a closed position
Inventor:
Brian Schick
Patented Case
View Patent ↗
Granted: Jan 9, 2001
Filed: Aug 29, 1997
Inventor
Brian Schick
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.