Granted Patent
Utility
US 4,598,466 · App. 06/672,339
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Inventors:
Alvaro E. Arenas, Thomas O. Bales, Jr., John W. Box
Patented Case
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Granted: Jul 8, 1986
Filed: Nov 16, 1984
Inventors
Alvaro E. Arenas
Thomas O. Bales, Jr.
John W. Box
Assignee (at issue)
CORDIS 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.