Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5264080 | Archival aperture card | Al Kratzer, James Michael Harris | 1993-11-23 |
| 4774272 | Composite sheet material for storage envelopes for magnetic recording media | Craig F. Lamphere, Leonard R. Swanson | 1988-09-27 |