Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4934818 | Refractive index profiling technique | Knut D. Pohl | 1990-06-19 |
| 4726677 | Autofocused lightguide preform profiler | Albert Holliday | 1988-02-23 |
| 4618975 | Method and apparatus for analyzing a porous nonhomogeneous cylindrical object | — | 1986-10-21 |