Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6313836 | Three dimensional model with three dimensional pointers and multimedia functions linked to the pointers | Douglas S. Dennis, Richard Carey | 2001-11-06 |
| 5526478 | Three dimensional model with three dimensional pointers and multimedia functions linked to the pointers | Douglas S. Dennis, Richard Carey | 1996-06-11 |