The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 02, 1986
Filed:
Oct. 07, 1983
Applicant:
Inventors:
Frank L Van Gilluwe, Sunnyvale, CA (US);
Samuel B Dunham, Santa Clara, CA (US);
Douglas A Cross, San Mateo, CA (US);
Assignee:
Teledex, Santa Clara, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04M / ; H04Q / ;
U.S. Cl.
CPC ...
379214 ; 379265 ; 379308 ;
Abstract
A device for use with executive and secretarial telephone units associated in a work group, having a programmable microprocessor which selectively controls the connection of incoming telephone lines to the secretarial telephone units and monitors the status of the telephone lines and provides such information to the secretarial telephone units.