Granted Patent
Utility
US 6,324,026 · App. 09/149,678
Readable indelible mark on storage media
Inventor:
Fred Charles Thomas, III
Patented Case
View Patent ↗
Granted: Nov 27, 2001
Filed: Sep 9, 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.