Granted Patent
Utility
US 6,744,595 · App. 10/035,188
Portable data storage cartridge encoded multi-position mechanical indicator
Inventors:
John Blair, Dennis Hurley Byrne, Allen Cox, David Michael Davis, James M. Karp
Patented Case
View Patent ↗
Granted: Jun 1, 2004
Filed: Jan 4, 2002
Inventors
John Blair
Dennis Hurley Byrne
Allen Cox
David Michael Davis
James M. Karp
Assignee (at issue)
International Business Machines 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.