Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D280423 | Covered swivel card file | Robert Walter Burton, Richard A. Davi, Albrecht Goertz | 1985-09-03 |
| D270549 | Combined telephone list finder and desk tray | Robert Walter Burton, Richard A. Davi, Albrecht Goertz | 1983-09-13 |