Lien; Benjamin
Patent Applications and Registrations
Patent applications and USPTO patent grants for Lien; Benjamin.The latest application filed is for "transformative elevator display system".
- Lien; Benjamin - Los Angeles CA
| Patent | Date |
|---|---|
| Transformative elevator display system Grant 10,822,198 - Hettema , et al. November 3, 2 | 2020-11-03 |
| Transformative Elevator Display System App 20190152743 - Hettema; Philip ; et al. | 2019-05-23 |
| Transformative elevator display system Grant 10,221,039 - Hettema , et al. | 2019-03-05 |
| Transformative Elevator Display System App 20170113899 - Hettema; Philip ; et al. | 2017-04-27 |
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