Hellstern; Karl Derek
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hellstern; Karl Derek.The latest application filed is for "rendering components based on screen size".
- Hellstern; Karl Derek - Kirkland WA
| Patent | Date |
|---|---|
| Persistent notification customization Grant 10,419,563 - Hellstern , et al. Sept | 2019-09-17 |
| Rendering Components Based On Screen Size App 20180095604 - Nguyen; Tuan Anh ; et al. | 2018-04-05 |
| Persistent Notification Customization App 20170318108 - Hellstern; Karl Derek ; et al. | 2017-11-02 |
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