IP Library › Granted Patent US 583,334
Granted Patent S1
US 583,334 · App. 29/263,484 · Granted Dec 23, 2008

Test switch

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Quick Facts
Patent No.
US 583,334
App. No.
29/263,484
Granted
Dec 23, 2008
Kind
S1
Claims (1)

We claim the ornamental design for a test switch, as shown and described.

Assignments (2)
MERGER Recorded Nov 15, 2016
From: ABB TECHNOLOGY LTD.
To: ABB SCHWEIZ AG
Reel/Frame 040621/0633 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 9, 2007
From: BALL, ROY; MASTERS, TIMOTHY F.; HUGH, PATRICK; LINDO, RICHARD; GENTILE, TODD
To: ABB TECHNOLOGY AG
Reel/Frame 018872/0693 →