Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4320939 | Optical filtering element including fluorescent material | — | 1982-03-23 |
| 4320940 | Optical filtering element | Timothy D. Ziebarth | 1982-03-23 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4320939 | Optical filtering element including fluorescent material | — | 1982-03-23 |
| 4320940 | Optical filtering element | Timothy D. Ziebarth | 1982-03-23 |