| 2800278 | Number signal analysing means for electronic digital computing machines | 1957-07-23 | ||
| 2755459 | Code translator | 1956-07-17 | ||
| 2692728 | Testing system | 1954-10-26 | ||
| 2679638 | Computer system | 1954-05-25 | ||
| 2657856 | Number converter | 1953-11-03 | ||
| 2634052 | Diagnostic information monitoring system | 1953-04-07 | ||
| 2604262 | Multiplying and dividing means | 1952-07-22 | ||
| 2580768 | Data look-up apparatus for computing or other machines | 1952-01-01 | ||
| 2500294 | Descending counter | 1950-03-14 | ||
| 2444042 | Electrically operated calculating apparatus for converting numbers from binary to decimal form | 1948-06-29 |
| GB737863A | 1955-10-05 |