IP Library › Granted Patent US 500,479
Granted Patent S1
US 500,479 · App. 29/199,933 · Granted Jan 4, 2005

Main unit of entrance television phone system

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Quick Facts
Patent No.
US 500,479
App. No.
29/199,933
Granted
Jan 4, 2005
Kind
S1
Claims (1)

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

Assignments (6)
CHANGE OF NAME Recorded Jun 29, 2018
From: PANASONIC HEALTHCARE HOLDINGS CO., LTD.
To: PHC HOLDINGS CORPORATION
Reel/Frame 046459/0854 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 29, 2014
From: PANASONIC CORPORATION
To: PHC HOLDINGS CO., LTD.
Reel/Frame 032785/0520 →
CHANGE OF NAME Recorded Apr 29, 2014
From: PHC HOLDINGS CO., LTD.
To: PANASONIC HEALTHCARE HOLDINGS CO., LTD.
Reel/Frame 032785/0556 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 19, 2014
From: PANASONIC HEALTHCARE CO., LTD.
To: PANASONIC CORPORATION
Reel/Frame 032480/0663 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 27, 2014
From: PANASONIC CORPORATION
To: PANASONIC HEALTHCARE CO., LTD.
Reel/Frame 032360/0788 →
CHANGE OF NAME Recorded Feb 25, 2014
From: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
To: PANASONIC CORPORATION
Reel/Frame 032332/0219 →