Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11249367 | Pressure-sensitive writing media comprising electrophoretic materials | John L. Chuma, Stephen J. Telfer | 2022-02-15 |
| 10969604 | Three dimensional display apparatus | Stephen J. Telfer, Stephen Bull, John L. Chuma, George G. Harris, Kosta Ladavac | 2021-04-06 |