Granted Patent
Utility
US 5,907,839 · App. 08/675,618
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Inventor:
Don J. Roth
Patented Case
View Patent ↗
Granted: May 25, 1999
Filed: Jul 3, 1996
Inventor
Don J. Roth
Assignee (at issue)
Yeda Research and Development Co. Ltd.
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.