Granted Patent
Utility
US 6,822,845 · App. 10/692,131
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Inventor:
Jeffrey D. Chereson
Patented Case
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Granted: Nov 23, 2004
Filed: Oct 23, 2003
Inventor
Jeffrey D. Chereson
Assignee (at issue)
Spectrum Control, 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.