Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6523957 | Flexible coupling for a self-propelled camera dolly | Barry Walton, David Cornelius, Chris Barker | 2003-02-25 |
| 6520641 | Shooting a motion picture scene with a self-propelled camera dolly | Barry Walton, David Cornelius, Chris Barker | 2003-02-18 |
| 6264330 | Self-propelled camera dolly | Barry Walton, David Cornelius, Chris Barker | 2001-07-24 |