Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10184687 | Hot water storage device | John Pudney | 2019-01-22 |
| D704914 | Mast lift base | Geoffrey George Campbell, Alexander (Sandy) McKechran Hardie McNeil, Frank Fornasari | 2014-05-13 |
| 8505688 | Mast lift and mast lift system | Geoffrey George Campbell, Alexander (Sandy) McKechran Hardie McNeil, Frank Fornasari | 2013-08-13 |
| 8292039 | Mast lift and mast lift system | Geoffrey George Campbell, Alexander McKechran Hardie McNeil, Frank Fornasari | 2012-10-23 |
| 7896366 | Lever-actuated retractable wheel and movable platform using same | Geoffrey George Campbell | 2011-03-01 |
| 7766750 | Slip clutch | Geoffrey George Campbell | 2010-08-03 |