Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5627675 | Optics assembly for observing a panoramic scene | John E. Davis, Marion N. Todd, Mitchell C. Ruda, Kenneth R. Castle | 1997-05-06 |
| 5617252 | Gradient refractive index lens elements | Paul K. Manhart, Kenneth R. Castle, Mitchell C. Ruda | 1997-04-01 |