Granted Patent
Utility
US 5,910,940 · App. 08/972,778
Storage medium having a layer of micro-optical lenses each lens generating an evanescent field
Inventor:
John M. Guerra
Patented Case
View Patent ↗
Granted: Jun 8, 1999
Filed: Nov 18, 1997
Inventor
John M. Guerra
Assignee (at issue)
Polaroid 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.