Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7168012 | Error handling and representation in a computer-aided design environment | James M. Clauss, David J. Ford | 2007-01-23 |
| 6441837 | Method and apparatus for manipulating geometric constraints of a mechanical design | Muri Lee Harding | 2002-08-27 |
| 6363503 | Error handling and representation in a computer-aided design environment | James M. Clauss, David J. Ford | 2002-03-26 |