Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D302087 | Container holder for attachment to a chair arm | John Danna | 1989-07-11 |
| D297793 | Container holder for attachment to a chair arm | John Danna | 1988-09-27 |
| 4548326 | Stadium seat arm gripping tray | John Danna | 1985-10-22 |