| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 9 | |
| #2 | Germany | 6 | |
| #3 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology | |
| #2 | Electrical machinery and energy | |
| #3 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Advertising | |
| #2 | Electric discharge tubes | |
| #3 | Dynamo-electric machines | |
| #4 | Installations for use in connection with aircrafts |
| # | Name | Total Patents |
|---|---|---|
| #1 | Mcdonald Leslie Raymond | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB334369A | Airplane launching appliances | |
| GB315589A | Display apparatus | |
| GB278067A | Anti-microphonic shield for electron tubes | |
| GB249625A | Display apparatuses | |
| GB246292A | Improvements in display apparatuses | |
| GB246293A | Improvements in display apparatuses | |
| GB231131A | Improvements in display apparatus | |
| GB246291A | Improvements in display apparatus | |
| GB224725A | Selective information apparatues |