Issued Patents All Time
Showing 25 most recent of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8596801 | Cube corner cavity based retroreflectors with transparent fill material | Kenneth L. Smith, Gerald M. Benson, Cheryl M. Frey, Bruce B. Wilson | 2013-12-03 |
| 7568807 | Flexible cube-corner retroreflective sheeting | Kenneth L. Smith, Tzu-Li J. Huang | 2009-08-04 |
| 7468406 | Stabilization of fluorescent dyes in vinyl articles using hindered amine light stabilizers | Kenneth M. White, Lee A. Pavelka, Vera L. Lightle | 2008-12-23 |
| 7452588 | Cube corner cavity based retroreflectors with transparent fill material | Kenneth L. Smith, Gerald M. Benson, Cheryl M. Frey, Bruce B. Wilson | 2008-11-18 |
| 7449514 | Stabilization of fluorescent dyes in vinyl articles using hindered amine light stabilizers | Kenneth M. White, Lee A. Pavelka, Vera L. Lightle | 2008-11-11 |
| 7185993 | Flexible cube-corner retroflective sheeting | Kenneth L. Smith, Tzu-Li J. Huang | 2007-03-06 |
| 7025847 | Segmented sheeting and methods of making and using same | Eugene H. Carlson, Christopher Harvey, James E. Lasch, David W. Meitz, Colleen C. Nagel | 2006-04-11 |
| 6958179 | Segmented sheeting and methods of making and using same | Eugene H. Carlson, Christopher Harvey, James E. Lasch, David W. Meitz, Colleen C. Nagel | 2005-10-25 |
| 6656571 | Cube corner cavity based retroreflectors and methods for making same | Gerald M. Benson, Kenneth L. Smith, Paul E. Humpal, Mark D. Nachbor | 2003-12-02 |
| 6526588 | Stabilization of fluorescent dyes in vinyl chloride articles using hindered amine light stabilizers | Kenneth M. White, Lee A. Pavelka, Vera L. Lightle | 2003-03-04 |
| 6406798 | Stabilization of fluorescent dyes in vinyl articles using hindered amine light stabilizers | Kenneth M. White, Lee A. Pavelka, Vera L. Lightle | 2002-06-18 |
| 6350035 | Flexible cube-corner retroreflective sheeting | Kenneth L. Smith, Tzu-Li J. Huang | 2002-02-26 |
| 6325515 | Cube corner retroreflective article with enhanced pigmentation | Dennis J. Chirhart, John W. Frank, Stephen A. Johnson, Daniel J. McGurran | 2001-12-04 |
| 6287670 | Cube corner cavity based retroreflectors and methods for making same | Gerald M. Benson, Kenneth L. Smith | 2001-09-11 |
| 6280822 | Cube corner cavity based retroeflectors with transparent fill material | Kenneth L. Smith, Gerald M. Benson, Cheryl M. Frey, Bruce B. Wilson, Michele A. Craton +2 more | 2001-08-28 |
| 6110566 | Stabilization of fluorescent dyes in vinyl articles using hindered amine light stabilizers | Kenneth M. White, Lee A. Pavelka, Vera L. Lightle | 2000-08-29 |
| 6004422 | Microstructured articles with backing and methods of manufacture | Jeffrey D. Janovec, James E. Lasch, Kenneth L. Smith | 1999-12-21 |
| 5988820 | Flexible cube-corner retroreflective sheeting | Tzu-Li J. Huang, Kenneth L. Smith | 1999-11-23 |
| 5962108 | Retroreflective polymer coated flexible fabric material and method of manufacture | Susan K. Nestegard, Tzu-Li J. Huang, James E. Lasch, Jeffrey D. Janovec, Michael Ruehlemann | 1999-10-05 |
| 5450235 | Flexible cube-corner retroreflective sheeting | Kenneth L. Smith, Tzu-Li J. Huang | 1995-09-12 |
| 5272562 | Cube-corner retroreflective articles | — | 1993-12-21 |
| 5200851 | Infrared reflecting cube-cornered sheeting | David M. Burns | 1993-04-06 |
| 5117304 | Retroreflective article | Tzu-Li J. Huang, Walton J. Hammar, Mirian D. Nave | 1992-05-26 |
| 4943139 | Spoked wheel reflector employing encapsulated retroreflective tubing | Chester A. Bacon, Jr. | 1990-07-24 |
| 4712868 | Expanded retroreflective sheet material | Chi F. Tung | 1987-12-15 |