Issued Patents All Time
Showing 25 most recent of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11602948 | Articles including infrared absorptive material and comprising radiation-treated and non-radiation-treated regions | Tadesse G. Nigatu, Suman K. Patel, Craig A. Schmidt, Neeraj Sharma | 2023-03-14 |
| 10598823 | Films including triazine-based ultraviolet absorbers | David W. Meitz, Bimal V. Thakkar, David M. Burns, David B. Olson | 2020-03-24 |
| 10551530 | Prismatic retroreflective sheeting including infrared absorbing material | Neeraj Sharma, Suman K. Patel, Tadesse G. Nigatu | 2020-02-04 |
| 9658363 | Films including triazine-based ultraviolet absorbers | David W. Meitz, Bimal V. Thakkar, David M. Burns, David B. Olson | 2017-05-23 |
| 7468406 | Stabilization of fluorescent dyes in vinyl articles using hindered amine light stabilizers | Kenneth M. White, Vera L. Lightle, James C. Coderre | 2008-12-23 |
| 7449514 | Stabilization of fluorescent dyes in vinyl articles using hindered amine light stabilizers | Kenneth M. White, Vera L. Lightle, James C. Coderre | 2008-11-11 |
| 6841236 | Articles containing thioxanthone dyes | David B. Olson, R. Harelstad, David M. Burns | 2005-01-11 |
| 6623824 | Method for making a microreplicated article using a substrate comprising a syndiotactic vinyl aromatic polymer | William D. Joseph, Jaime R. Ojeda, Denise A. Barrera, Roberta E. Harelstad, Bruce A. Sventek | 2003-09-23 |
| 6572977 | Fluorescent red composition and articles made therefrom | David L. Bergeson, Eugene H. Carlson, Deana A. Klein, Susan T. Chrysler | 2003-06-03 |
| 6533961 | Durable fluorescent organic pigments and methods of making | R. Harelstad, David M. Burns | 2003-03-18 |
| 6526588 | Stabilization of fluorescent dyes in vinyl chloride articles using hindered amine light stabilizers | Kenneth M. White, Vera L. Lightle, James C. Coderre | 2003-03-04 |
| 6498218 | Enhanced dye durability through controlled dye environment | Denise A. Barrera, Roberta E. Harelstad, William D. Joseph | 2002-12-24 |
| 6406798 | Stabilization of fluorescent dyes in vinyl articles using hindered amine light stabilizers | Kenneth M. White, Vera L. Lightle, James C. Coderre | 2002-06-18 |
| 6395844 | Enhanced dye durability through controlled dye environment | Denise A. Barrera, Roberta E. Harelstad, William D. Joseph | 2002-05-28 |
| 6326072 | Release liner incorporating syndiotactic vinyl aromatic polymer | Jaime R. Ojeda, William D. Joseph, Bruce A. Sventek, Roberta E. Harelstad, Denise A. Barrera | 2001-12-04 |
| 6312132 | Fluorescent red article and retroreflective article made therefrom | Deana A. Klein, David L. Bergeson, Susan T. Chrysler, David M. Burns | 2001-11-06 |
| 6156436 | Use of a crystalline bead bond layer in a retroreflective article | William D. Joseph, Raymond E. Grunzinger | 2000-12-05 |
| 6110566 | Stabilization of fluorescent dyes in vinyl articles using hindered amine light stabilizers | Kenneth M. White, Vera L. Lightle, James C. Coderre | 2000-08-29 |
| 6001936 | Dye enhanced durability through controlled dye environment | Denise A. Barrera, Roberta E. Harelstad, William D. Joseph | 1999-12-14 |
| 5959775 | Urethane/acrylate bead bond for retroreflective articles | William D. Joseph | 1999-09-28 |
| 5920429 | Fluorescent dye blends | David M. Burns, David B. Olson | 1999-07-06 |
| 5816238 | Durable fluorescent solar collectors | David M. Burns | 1998-10-06 |
| 5754337 | Fluorescent dye blends | David M. Burns, David B. Olson | 1998-05-19 |
| 5700077 | Line light source including fluorescent colorant | John F. Dreyer, Jr., Thomas I. Bradshaw, David M. Burns, Bruce D. Orensteen | 1997-12-23 |
| 5674622 | Fluorescent dye blends | David M. Burns | 1997-10-07 |