Granted Patent
Utility
US 6,115,348 · App. 08/997,906
Information storage systems utilizing media with optically-differentiated data sites
Inventor:
John M. Guerra
Patented Case
View Patent ↗
Granted: Sep 5, 2000
Filed: Dec 24, 1997
Inventor
John M. Guerra
Assignee (at issue)
Calimetrics, Inc.
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.