Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8675194 | Apparatus for measuring the retroreflectance of materials | Stephen K. Eckhardt | 2014-03-18 |
| 6450393 | Multiple-material prototyping by ultrasonic adhesion | Charalabos C. Doumanidis | 2002-09-17 |
| 5940212 | Cube corner article with altered inactive areas and method of making same | Theodore J. Szczech, Bruce D. Orensteen | 1999-08-17 |