Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12427755 | Bulk diffuser | Michael J. Sykora, Kui Chen-Ho, Guy M. Kallman, Kaitlin R. Mohs, Patrick J. Yeshe | 2025-09-30 |
| 10766223 | Low gloss laminated article | Richard C. Allen, William J. Bryan, Robert R. Condon, David J. Koch, John C. Schultz | 2020-09-08 |
| 10228507 | Light source and optical article including viscoelastic lightguide disposed on a substrate | Audrey A. Sherman, Michael A. Meis, Kevin R. Schaffer, Marie A. Boulos, Soemantri Widagdo +3 more | 2019-03-12 |
| 9658391 | Illumination device having viscoelastic lightguide | Audrey A. Sherman, Michael A. Meis, Kevin R. Schaffer | 2017-05-23 |
| 9551475 | Retroreflective articles and devices having viscoelastic lightguide | Audrey A. Sherman, Marie A. Boulos, Kevin R. Schaffer, Michael A. Meis, Thu-Van T. Tran +1 more | 2017-01-24 |
| 9404637 | Color shift sign | Michael A. Meis, John T. Simpson, Joseph A. Hoffman, Paul E. Humpal | 2016-08-02 |
| 9310551 | Illumination device having viscoelastic lightguide | Audrey A. Sherman, Michael A. Meis, Kevin R. Schaffer | 2016-04-12 |
| 9303827 | Illumination devices and methods for making the same | John R. David, Michael A. Meis, Ronald S. Steelman | 2016-04-05 |
| 9303829 | Illumination devices and methods for making the same | John R. David, Michael A. Meis, Ronald S. Steelman | 2016-04-05 |
| 8860296 | Illumination devices and methods for making the same | John R. David, Michael A. Meis, Ronald S. Steelman | 2014-10-14 |
| 8789299 | Thin internally illuminated sign | Joseph A. Hoffman, Michael A. Meis | 2014-07-29 |
| 8651720 | Retroreflective articles and devices having viscoelastic lightguide | Audrey A. Sherman, Marie A. Boulos, Kevin R. Schaffer, Michael A. Meis, Thu-Van T. Tran +1 more | 2014-02-18 |
| 8581393 | Thermally conductive LED assembly | Michael A. Meis, Susan L. Korpela, Jeffrey R. Janssen, Patrick J. Hager | 2013-11-12 |
| 8525402 | Illumination devices and methods for making the same | John R. David, Michael A. Meis, Ronald S. Steelman | 2013-09-03 |
| 7481563 | LED backlight | John R. David, Michael A. Meis | 2009-01-27 |
| 7198372 | Dual display | Paul L. Acito, Linden E. Brooks, III | 2007-04-03 |
| 6767609 | Perforated film constructions for backlit signs | Neal T. Strand | 2004-07-27 |
| 6641880 | Signage having films to reduce power consumption and improve luminance uniformity and method for using same | Frank L. Deyak, Neal T. Strand, Andrew J. Ouderkirk, Michael F. Weber, David G. Freier | 2003-11-04 |
| 6598328 | Sign faces having reflective films and methods of using same | Frank L. Deyak, Sanford Cobb, Jr. | 2003-07-29 |
| 6441114 | Adhesives for use on fluorine-containing or polycarbonate surfaces | Richard L. Peloquin, Albert I. Everaerts | 2002-08-27 |
| 6416201 | Illuminated sign with lamp masks for uniform illumination | Neal T. Strand, David G. Freier | 2002-07-09 |
| 5144051 | Branched alkoxyphenyl iodonium salt photoinitiators | Carl R. Kessel | 1992-09-01 |