Issued Patents 2016
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |