Issued Patents All Time
Showing 25 most recent of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8411230 | Light polarizer | Patrick W. Mullen, Michael J. Hanrahan, Edward D. Phillips | 2013-04-02 |
| 8157391 | Methods of forming retroflective structures having a helical geometry | Garrett L. Nilsen | 2012-04-17 |
| 8054416 | Light polarizer | Patrick W. Mullen, Michael J. Hanrahan, Edward D. Phillips | 2011-11-08 |
| 8033671 | Retroreflective structures having a helical geometry | Garrett L. Nilsen | 2011-10-11 |
| 7703931 | Two-sided corner-cube retroreflectors and methods of manufacturing the same | — | 2010-04-27 |
| 7506987 | Two-sided corner-cube retroreflectors and methods of manufacturing the same | — | 2009-03-24 |
| 7364314 | Optical structures | William P. Rowland | 2008-04-29 |
| 7330315 | Light-redirecting optical structures | — | 2008-02-12 |
| 7262856 | Microstructured optical device for remote chemical sensing | Douglas S. Hobbs, Curtis Lockshin, James J. Cowan | 2007-08-28 |
| 7230764 | Differentially-cured materials and process for forming same | Patrick W. Mullen, William P. Rowland | 2007-06-12 |
| 6967053 | Durable, open-faced retroreflective prismatic construction | Patrick W. Mullen, Gus Bernard | 2005-11-22 |
| 6891677 | Subwavelength optical microstructure light-redirecting films | Patrick W. Mullen, Xiao-Jing Lu | 2005-05-10 |
| 6877866 | Multi-orientation retroreflective structure | Xiao-Jing Lu, Gary J. Gauer | 2005-04-12 |
| 6770225 | Textured retroreflective prism structures and molds for forming same | Christopher Alan Barnett, Nicholas John Phillips | 2004-08-03 |
| 6570710 | Subwavelength optical microstructure light collimating films | Patrick W. Mullen, Xiao-Jing Lu | 2003-05-27 |
| 6457835 | Multi-orientation retroreflective structure | Xiao-Jing Lu, Gary J. Gauer | 2002-10-01 |
| 6356389 | Subwavelength optical microstructure light collimating films | Patrick W. Mullen, Xiao-Jing Lu | 2002-03-12 |
| 6258443 | Textured retroreflective prism structures and molds for forming same | Christopher Alan Barnett, Nicholas John Phillips | 2001-07-10 |
| 6206525 | Miniature micro prism retroreflector | William P. Rowland | 2001-03-27 |
| 6139158 | Retroreflective articles with multiple size prisms in multiple locations | Michael J. Hanrahan | 2000-10-31 |
| 6119751 | Apparatus and method for producing retroreflective material having printed patterns thereon | Gus Bernard, Michael J. Hanrahan | 2000-09-19 |
| 6120636 | Apparatus and method for producing retroreflective material having printed patterns thereon | Gus Bernard, Michael J. Hanrahan | 2000-09-19 |
| 6036322 | Multi-orientation retroreflective structure | Xiao-Jing Lu, Gary J. Gauer | 2000-03-14 |
| 5840406 | Retroreflective prism structure with windows formed thereon | — | 1998-11-24 |
| 5780140 | Retroreflective microprismatic material with top face curvature and method of making same | — | 1998-07-14 |