Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4288146 | Curved reflector with adjustable focal length | Alfred L. Johnson, Jr. | 1981-09-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4288146 | Curved reflector with adjustable focal length | Alfred L. Johnson, Jr. | 1981-09-08 |