Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9283681 | Robotic vehicle systems for inspecting remote locations | Dennis L. Guthrie | 2016-03-15 |
| 9010465 | Robotic vehicle systems for inspecting remote locations | Dennis L. Guthrie | 2015-04-21 |
| 8789631 | Roof inspection systems with autonomous guidance | Dennis L. Guthrie | 2014-07-29 |
| 8651206 | Roof inspection systems and methods of use | Dennis L. Guthrie | 2014-02-18 |
| 7374515 | Barbell and dumbbell safety spotting apparatus | Mikael Olsson | 2008-05-20 |
| 7216396 | Debris blower apparatus | — | 2007-05-15 |
| 6926649 | Self-spotting apparatus for free-weights | — | 2005-08-09 |
| 6893381 | Self-spotting apparatus for free-weights | — | 2005-05-17 |
| 6749538 | Interlock apparatus for fitness equipment | Phillip Wills, Henrik B. Christophersen | 2004-06-15 |
| 6669607 | Barbell and dumbbell safety spotting apparatus | Mikael Olsson | 2003-12-30 |
| 6537182 | Self-spotting apparatus for free-weights | Mikael Olsson | 2003-03-25 |
| 6379287 | Barbell and dumbbell safety spotting apparatus | Mikka Olsson | 2002-04-30 |
| 6293892 | Self-spotting apparatus for free-weights | Mikael Olsson | 2001-09-25 |