Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6425483 | Positive sleeving system for photographic negatives | James A. Truc, Douglas B. Peterson | 2002-07-30 |
| 5801852 | Positive sleeving system for photographic negatives | James A. Truc, Douglas B. Peterson | 1998-09-01 |