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The ornamental design for a led retrofit bulb, as shown.
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Kang, Chunheng, Pan, Hui Ling, Zhang, Xiaobo, Chen, Shengjin, Liu, Shichun
| Patent | Priority | Assignee | Title |
| D910211, | Dec 02 2019 | Light bulb | |
| D910212, | Dec 02 2019 | Light bulb | |
| D910213, | Dec 02 2019 | Light bulb | |
| D910887, | Dec 02 2019 | Light bulb | |
| D910888, | Dec 02 2019 | Light bulb | |
| D972199, | Dec 02 2019 | Lighting structure | |
| ER4210, | |||
| ER5542, |
| Patent | Priority | Assignee | Title |
| D392057, | May 30 1997 | Westinghouse Lighting Corporation | Halogen lamp |
| D405201, | Mar 30 1998 | Ledtronics, Inc. | Bulb |
| D426899, | Nov 16 1999 | Philips Hong Kong Limited | Light bulb |
| D543644, | Feb 08 2006 | Koninklijke Philips Electronics N V | Master traffic lamp |
| D689219, | May 29 2012 | CE Lighting Ltd. | LED lamp |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Jul 15 2015 | Koninklijke Philips N.V. | (assignment on the face of the patent) | / | |||
| Jun 21 2017 | LIU, SHICHUN | KONINKLIJKE PHILIPS N V | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 042940 | /0765 | |
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| Jun 22 2017 | KANG, CHUNHENG | KONINKLIJKE PHILIPS N V | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 042940 | /0765 | |
| Jun 22 2017 | ZHANG, XIAOBO | KONINKLIJKE PHILIPS N V | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 042940 | /0765 | |
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