Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7458693 | Retroreflective elements and articles | Rebecca A. Shipman, Craig S. Chamberlain, Thomas P. Hedblom, Douglas E. Weiss, Gerald S. Deeb | 2008-12-02 |
| 7413316 | Retroreflective elements and articles | Rebecca A. Shipman, Craig S. Chamberlain, Thomas P. Hedblom, Douglas E. Weiss, Gerald S. Deeb | 2008-08-19 |
| 7168815 | Retroreflective elements and articles | Rebecca A. Shipman, Craig S. Chamberlain, Thomas P. Hedblom, Douglas E. Weiss, Gerald S. Deeb | 2007-01-30 |
| 7156528 | Retroreflective elements and articles | Douglas E. Weiss, Rebecca A. Shipman, Craig S. Chamberlain, Thomas P. Hedblom, Gerald S. Deeb | 2007-01-02 |