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The ornamental design for a portion of a led light bulb, as shown and described.
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The broken line showing of the light bulb portion is included for the purpose of illustrating only and forms no part of the claimed design.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Jun 26 2015 | YANG, ZHIQIANG | SIM Lighting Design Company Limited | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 036032 | 0761 | |
Jun 29 2015 | SIM Lighting Design Company Limited | (assignment on the face of the patent) |
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