Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10822198 | Transformative elevator display system | Philip Hettema, Susan Spence, Benjamin Lien | 2020-11-03 |
| 10805591 | Three dimensional display environment and viewing theater | Philip Hettema, David Revel | 2020-10-13 |