Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D381644 | Triangle-shaped movable shutter for a data storage diskette cartridge | Bruce W. Carlson, John W. Swanson | 1997-07-29 |
| 5631792 | Triangle-shaped movable shutter for data storage diskette cartridge | Bruce W. Carlson, William M. Dunbar | 1997-05-20 |