Granted Patent
Utility
US 6,097,562 · App. 08/931,272
Disk drive for detecting a retroreflective marker on a data storage cartridge
Inventor:
Fred Charles Thomas, III
Patented Case
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Granted: Aug 1, 2000
Filed: Sep 15, 1997
Inventor
Fred Charles Thomas, III
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.