Door intercom
Latest AmRoad Technology Inc. Patents:
Description
Claims
The ornamental design for a door intercom, as shown and described.
Referenced Cited
U.S. Patent Documents
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Patent History
Patent number: D660819
Type: Grant
Filed: Jan 4, 2012
Date of Patent: May 29, 2012
Assignee: AmRoad Technology Inc.
Inventors: Ren-Peng Chen (Taipei), Ke-Rong Lin (Taipei)
Primary Examiner: Austin Murphy
Attorney: Roger H. Chu
Application Number: 29/410,064
Type: Grant
Filed: Jan 4, 2012
Date of Patent: May 29, 2012
Assignee: AmRoad Technology Inc.
Inventors: Ren-Peng Chen (Taipei), Ke-Rong Lin (Taipei)
Primary Examiner: Austin Murphy
Attorney: Roger H. Chu
Application Number: 29/410,064
Classifications
Current U.S. Class:
Intercom (7) (D14/159)