Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4992128 | Method of making holder for flat objects such as computer disks | James R. Sellar, Mark F. Lappies, Mark S. Valle | 1991-02-12 |
| 4852740 | Holder for flat objects such as computer disks | James R. Sellar, Mark F. Lappies, Mark S. Valle | 1989-08-01 |