Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9110363 | Polarization preserving projection screen with engineered pigment and method for making same | Joel Mikael Petersen, Christopher Chapman Rich, Gary D. Sharp, David A. Coleman | 2015-08-18 |
| 8488240 | Polarization preserving projection screen with engineered pigment and method for making same | Joel Mikael Petersen, Christopher Chapman Rich, Gary D. Sharp, David A. Coleman | 2013-07-16 |
| 8194315 | Polarization preserving projection screen with engineered particle and method for making same | Gary D. Sharp, David A. Coleman, Joel Mikael Petersen, Christopher Chapman Rich | 2012-06-05 |
| 8169699 | Polarization preserving projection screen with engineered pigment and method for making same | Joel Mikael Petersen, Christopher Chapman Rich, Gary D. Sharp, David A. Coleman | 2012-05-01 |
| 4387534 | Book end planter | George Spector | 1983-06-14 |