Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5689576 | Surface feature mapping using high resolution C-scan ultrasonography | John K. Schneider | 1997-11-18 |
| 5638201 | Optically active diffractive device | Philip J. Bos, David Lawrence Johnson, Jianmin Chen, Hemasiri Vithana, Carvel Holton +1 more | 1997-06-10 |
| 5625489 | Projection screen for large screen pictorial display | — | 1997-04-29 |