Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D429253 | Headset for headmounted display | James B. Robertson, Karl Armagost, Kevin Schehrer, Carl L. Engelbrecht, Andrew Hooper +3 more | 2000-08-08 |
| D402651 | Display head set | Dean Depay, James B. Robertson, Niall D. Macken, Carl L. Engelbrecht, David P. Moriconi +3 more | 1998-12-15 |