Granted Patent
Utility
US 5,938,308 · App. 08/904,556
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Inventors:
Michael R. Feldman, Alan D. Kathman
Patented Case
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Granted: Aug 17, 1999
Filed: Aug 4, 1997
Inventors
Michael R. Feldman
Alan D. Kathman
Assignee (at issue)
DigitalOptics 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.