| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 4 | |
| #2 | Canada | 3 | |
| #3 | Australia | 2 | |
| #4 | New Zealand | 2 | |
| #5 | WIPO (World Intellectual Property Organization) | 2 | |
| #6 | Germany | 1 | |
| #7 | EPO (European Patent Office) | 1 | |
| #8 | Japan | 1 | |
| #9 | Republic of Korea | 1 | |
| #10 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology |
| # | Technology | |
|---|---|---|
| #1 | Loudspeakers and microphones |
| # | Name | Total Patents |
|---|---|---|
| #1 | Fincham Lawrence Reginald | 11 |
| #2 | Fincham Lawrence R | 2 |
| #3 | Ward Brain D | 1 |
| #4 | Roorensu Rejinarudo Fuinchiyam | 1 |
| #5 | Ward Brian Douglas | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB9111737D0 | Loudspeaker | |
| GB8810943D0 | Loudspeaker | |
| CA1246464A | Constant pressure device | |
| AU2579984A | Constant pressure device | |
| GB1571714A | Loudspeakers |