Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4337759 | Radiant energy concentration by optical total internal reflection | John M. Popovich, David G. Pelka | 1982-07-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4337759 | Radiant energy concentration by optical total internal reflection | John M. Popovich, David G. Pelka | 1982-07-06 |