Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7742873 | Navigation system | Vincent Geake, Simon Hancock | 2010-06-22 |
| 6950745 | Navigation system | Vincent Geake, Simon Hancock | 2005-09-27 |
| 6498984 | Locating positions on maps | Gwyn David Walter Parfitt | 2002-12-24 |
| 6304819 | Locating positions on maps | Gwyn David Walter Parfitt | 2001-10-16 |
| 6292137 | Direction indicating compasses | Gwyn David Walter Parfitt | 2001-09-18 |
| 5278763 | Navigation aids | Roger K. Woolley, Gwyn David Walter Parfitt | 1994-01-11 |