Telephone interface unit
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The broken line showing of the telephone interface unit is included for the purpose of illustrating portions of the article and forms no part of the claimed design.
Claims
The ornamental design for a telephone interface unit, as shown and described.
Type: Grant
Filed: Sep 16, 2011
Date of Patent: Dec 3, 2013
Assignee: RGB Systems, Inc. (Anaheim, CA)
Inventors: Osbaldo Rodriguez (Hungtington Beach, CA), Jonathan Ofalla (Rosemead, CA), Jaysun Stockdell-Giesler (Morrisville, NC), Robert Chaloupecky (Apex, NC)
Primary Examiner: Sheryl Lane
Application Number: 29/401,923