Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5802402 | Camera back including improved film assemblage | Irving S. Lippert, Thomas H. Campbell, Jr. | 1998-09-01 |
| 5721966 | Instant photography camera and film cassette | Thomas H. Campbell, Jr., Irving S. Lippert | 1998-02-24 |