Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6781597 | Edit modes for three dimensional modeling systems | Patricia Anne Vrobel, Tao Han | 2004-08-24 |
| 6525745 | Sheet metal geometric modeling system | Patricia Anne Vrobel, Tao Han | 2003-02-25 |
| 5894310 | Intelligent shapes for authoring three-dimensional models | David Arsenault, Larry Felser | 1999-04-13 |