Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12043723 | Durable retroreflective elements with a blend of beads | Stephen L. Lieder, Eugene H. Carlson, Kenton D. Budd, Joseph D. Engebretson | 2024-07-23 |
| 11353640 | Durable retroreflective elements with an ionic copolymer core | Stephen L. Lieder, Eugene H. Carlson | 2022-06-07 |
| 11286368 | Durable retroreflective elements with a blend of beads | Stephen L. Lieder, Eugene H. Carlson, Kenton D. Budd, Joseph D. Engebretson | 2022-03-29 |
| 10889947 | Thermoplastic pavement marking tapes | Gregg A. Patnode, James P. Endle, Eugene H. Carlson, Stephen L. Lieder | 2021-01-12 |
| 10858496 | Durable retroreflective elements with a blend of beads | Stephen L. Lieder, Eugene H. Carlson, Kenton D. Budd, Joseph D. Engebretson | 2020-12-08 |
| 9932476 | Pavement marking compositions | Alexander J. Kugel, Eugene H. Carlson, Rajdeep S. Kalgutkar, Pamela A. Percha | 2018-04-03 |
| 9340934 | Pavement marking materials and methods | Eugen H. Carlson, Alexander J. Kugel, Pamela A. Percha | 2016-05-17 |