Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D333315 | Calculator case | Thomas Perelli | 1993-02-16 |
| D309629 | Calculator case | Terry L. Barner, Thomas Perelli | 1990-07-31 |
| D309471 | Calculator case | Thomas Perelli | 1990-07-24 |
| D308986 | Calculator case | Terry L. Barner, Thomas Perelli | 1990-07-03 |
| D257513 | Case for calculating machine | Myron Beitler | 1980-11-11 |