| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 5 | |
| #2 | France | 3 | |
| #3 | Germany | 1 | |
| #4 | Denmark | 1 | |
| #5 | Sweden | 1 | |
| #6 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Textiles and paper | |
| #2 | Digital networks | |
| #3 | Telecommunications |
| # | Technology | |
|---|---|---|
| #1 | Typewriters | |
| #2 | Digital information transmission | |
| #3 | Selecting |
| # | Name | Total Patents |
|---|---|---|
| #1 | Duerr J H | 2 |
| #2 | Lind Larry Frederick | 2 |
| #3 | Twitchen A C | 2 |
| #4 | Keene Alan Charles | 2 |
| #5 | Duerr Jonathan Henry | 1 |
| #6 | Duerr Jonathan H | 1 |
| #7 | Twitchen Antony Charles | 1 |
| #8 | Twitchen Antony C | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB8503362D0 | Power supply units | |
| GB1584592A | Setting of clock pulse sources | |
| FR2354006A1 | CLOCK SETTING FOR BINARY CHARACTER TRANSMISSION NETWORK | |
| GB1534898A | Printers | |
| GB1553572A | Testing of information transmission channels | |
| GB1482629A | Tone detectors |