Issued Patents 2020
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10859851 | Optical products, masters for fabricating optical products, and methods for manufacturing masters and optical products | Phillip Christopher Harvey, Joel Mikael Petersen | 2020-12-08 |
| 10850550 | Optical switch devices | Joel Mikael Petersen, Roger W. Phillips, John Michael Tamkin | 2020-12-01 |
| 10838218 | Optical structures providing dichroic effects | Roger W. Phillips, Joel Mikael Petersen | 2020-11-17 |
| 10795059 | Ultra thin Fresnel lenses and other optical elements | Joel Mikael Petersen | 2020-10-06 |
| 10655803 | Linear light emitting diode luminaires | John N. Magno, Eric W. Teather | 2020-05-19 |