Granted Patent
Utility
US 4,626,140 · App. 06/785,211
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Inventors:
Raymond T. Zweekly, Tony Lowe
Patented Case
View Patent ↗
Granted: Dec 2, 1986
Filed: Oct 7, 1985
Inventors
Raymond T. Zweekly
Tony Lowe
Assignee (at issue)
GTE Valeron 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.