Issued Patents 2016
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9354386 | Solid state area light and spotlight with light guide and integrated thermal guide | Raymond P. Johnston, Paul E. Humpal, Robert L. Brott, Karl J. L. Geisler | 2016-05-31 |
| 9267674 | Solid state light with enclosed light guide and integrated thermal guide | Raymond P. Johnston, Charles N. DeVore, Paul E. Humpal, Robert L. Brott, Kayla A. Hagens +4 more | 2016-02-23 |