Granted Patent
Utility
US 6,266,211 · App. 09/161,007
Latent illuminance discrimination marker for data storage cartridges
Inventors:
Fred Charles Thomas, III, Glenn B. Dixon, Todd R. Shelton, Todd L. Graves
Patented Case
View Patent ↗
Granted: Jul 24, 2001
Filed: Sep 25, 1998
Inventors
Fred Charles Thomas, III
Glenn B. Dixon
Todd R. Shelton
Todd L. Graves
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.