Key telephone system without common control | Patent Number 06046995
US 06046995 NAFilled DateMay 26, 1998
Priority DateDec 28, 1995
Publication Date-
Expiration DateDec 28, 2015
Inventor/Applicants David Westergaard
Bruce W. Yee
Alan D. Eyre
Michael J. Lucas
Brian McKinney
Robert Turnbull
Bruce W. Yee
Alan D. Eyre
Michael J. Lucas
Brian McKinney
Robert Turnbull
ExaminesHSU, ALPUS
Art Unit2738
Technology Center2700
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