IP Library › Granted Patent US 502,156
Granted Patent S1
US 502,156 · App. 29/196,393 · Granted Feb 22, 2005

Main unit of entrance television phone system

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Quick Facts
Patent No.
US 502,156
App. No.
29/196,393
Granted
Feb 22, 2005
Kind
S1
Claims (1)

The ornamental design for a main unit of entrance television phone system, as shown and described.

Assignments (1)
CHANGE OF NAME Recorded Jun 29, 2018
From: PANASONIC HEALTHCARE HOLDINGS CO., LTD.
To: PHC HOLDINGS CORPORATION
Reel/Frame 046459/0854 →