Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D373035 | Display stand | Diane Keller, Frank Keller, Edwin Pettersen | 1996-08-27 |
| D368815 | Display stand | Diane Keller, Frank Keller, Edwin Pettersen | 1996-04-16 |
| D364931 | Facade of a portal | Frank Keller, Diane Keller | 1995-12-05 |
| D361003 | Mirrored retail display platform | Diane Keller, Frank Keller | 1995-08-08 |
| D359864 | Three-sided monitor display case | Diane Keller, Frank Riggio, Frank Keller | 1995-07-04 |
| D359865 | Display case | Diane Keller, Frank Keller | 1995-07-04 |
| D357591 | Swing | Diane Keller, Frank Keller | 1995-04-25 |