| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 5 | |
| #2 | Australia | 3 | |
| #3 | WIPO (World Intellectual Property Organization) | 3 | |
| #4 | EPO (European Patent Office) | 2 | |
| #5 | Hong Kong | 2 | |
| #6 | Norway | 1 | |
| #7 | Singapore | 1 | |
| #8 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Control | |
| #3 | Computer technology |
| # | Technology | |
|---|---|---|
| #1 | Measuring distances | |
| #2 | Teaching materials | |
| #3 | Electric digital data processing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Agnew Hugh John | 15 |
| #2 | Parfitt Gwyn David Walter | 15 |
| #3 | Woolley Roger Kenneth | 7 |
| #4 | Wooley Roger Kenneth | 2 |
| #5 | Parfitt Gwyn D | 1 |
| #6 | Agnew Hugh J | 1 |
| #7 | Kenneth Woolley Roger | 1 |
| #8 | Woolley Roger K | 1 |
| #9 | John Agnew Hugh | 1 |
| #10 | Walter Parfitt Gwyn David | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB9723926D0 | Direction indicating compasses | |
| HK1000607A1 | Navigation aids | |
| GB9523822D0 | Locating positions on maps | |
| HK168595A | Navigation aids | |
| GB9516832D0 | Systems and devices related to the game of golf | |
| SG110693G | Navigation aids | |
| GB8828864D0 | Digitising device | |
| GB8828863D0 | Display device | |
| US5278763A | Navigation aids |