Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4548482 | Reflector with easily replaceable reflective membrane | Carl Williams | 1985-10-22 |
| 4422723 | Adjustable reflector with imperforate reflective membrane | Carl Williams, Robert S. Black | 1983-12-27 |