Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10221039 | Transformative elevator display system | Philip Hettema, Susan Spence, Arthur Derby Ahlstone | 2019-03-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10221039 | Transformative elevator display system | Philip Hettema, Susan Spence, Arthur Derby Ahlstone | 2019-03-05 |