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The ornamental design for circuit breaker, as shown and described.
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The broken line portion of the figure drawings is included to show unclaimed subject matter only and forms no part of the claimed design.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Feb 20 2009 | ABB Technology AG | (assignment on the face of the patent) | / | |||
May 09 2016 | ABB Technology Ltd | ABB Schweiz AG | MERGER SEE DOCUMENT FOR DETAILS | 040621 | /0633 |
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