Granted Patent
Utility
US 6,067,214 · App. 09/058,833
Data cartridge marker for foreign object detection
Inventor:
Fred Charles Thomas, III
Patented Case
View Patent ↗
Granted: May 23, 2000
Filed: Apr 13, 1998
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.