Granted Patent
Utility
US 5,978,799 · App. 09/015,421
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Inventor:
G. Scott Hirsch
Patented Case
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Granted: Nov 2, 1999
Filed: Jan 29, 1998
Inventor
G. Scott Hirsch
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.