Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4865190 | Security package with rotatable locking channel | Larry G. Dressen | 1989-09-12 |
| D302945 | Cassette package | Roger L. Mortensen, Larry G. Dressen | 1989-08-22 |
| 4838422 | Data storage container | — | 1989-06-13 |
| 4817799 | Disk package | Larry G. Dressen, Roger L. Mortensen | 1989-04-04 |