Issued Patents 1989
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D304461 | Compartmented file box | Thomas J. David | 1989-11-07 |
| D304345 | Utility file | Thomas J. David | 1989-10-31 |
| D303813 | Desk top organizer tray | Thomas J. David | 1989-10-03 |
| D302703 | Letter tray | Thomas J. David | 1989-08-08 |
| D301590 | Drawer organizer tray | Thomas J. David | 1989-06-13 |
| D301154 | Card file | Thomas J. David | 1989-05-16 |