Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6935756 | Retroreflective articles having moire-like pattern | Nelson D. Sewall, Kenneth L. Smith, David W. Meitz, John C. Nelson | 2005-08-30 |
| 6843571 | Methods of making a master and replicas thereof | Nelson D. Sewall, Kenneth L. Smith, David W. Meitz, John C. Nelson | 2005-01-18 |
| 6282026 | Retroreflectors having two optical surfaces and varying retroreflectivity | John F. Dreyer, Jr. | 2001-08-28 |
| 6045230 | Modulating retroreflective article | John F. Dreyer, Jr. | 2000-04-04 |