Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9878889 | Mast lift using multi-stage mast module | Geoffrey George Campbell | 2018-01-30 |
| 9505596 | Mast lift with screw drive and gas strut | Geoffrey George Campbell, Mark Spaile | 2016-11-29 |
| 9187301 | Self-propel accessory | Geoffrey George Campbell | 2015-11-17 |
| 8789654 | Mast lift with screw drive and gas strut | Geoffrey George Campbell | 2014-07-29 |