Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D704914 | Mast lift base | Geoffrey George Campbell, Hugh Lithgow Stark, Alexander (Sandy) McKechran Hardie McNeil | 2014-05-13 |
| 8618903 | Power supply improvements | Clive Stuart White | 2013-12-31 |
| 8505688 | Mast lift and mast lift system | Geoffrey George Campbell, Hugh Lithgow Stark, Alexander (Sandy) McKechran Hardie McNeil | 2013-08-13 |
| 8292039 | Mast lift and mast lift system | Geoffrey George Campbell, Hugh Lithgow Stark, Alexander McKechran Hardie McNeil | 2012-10-23 |