| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 3 | |
| #2 | France | 3 | |
| #3 | United Kingdom | 3 | |
| #4 | United States | 2 | |
| #5 | Switzerland | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Semiconductors | |
| #3 | Control |
| # | Technology | |
|---|---|---|
| #1 | Mechanically-driven clocks | |
| #2 | Semiconductor devices | |
| #3 | Electromechanical clocks | |
| #4 | Registering devices | |
| #5 | Special measuring |
| # | Name | Total Patents |
|---|---|---|
| #1 | Fell Robert Andrew | 4 |
| #2 | Fell Robert A | 3 |
| #3 | Andrew Fell Robert | 2 |
| Publication | Filing date | Title |
|---|---|---|
| GB995203A | Improvements in or relating to position sensing mechanisms | |
| GB955499A | Improvements in or relating to clocks | |
| GB869863A | Improvements in or relating to the manufacture of transistors, rectifiers and other semi-conductor devices |