Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4472337 | Video disc processing | Robert Huck, David A. Berry | 1984-09-18 |
| 4383961 | Drying process for video discs | Barry Stevens, Lincoln Ekstrom | 1983-05-17 |
| 4327048 | High density information disc processing | Barry Stevens, James A. Calamari, Jr. | 1982-04-27 |
| 4262875 | Information record stampers | Thomas E. Smith | 1981-04-21 |