| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 3 | |
| #2 | United Kingdom | 3 | |
| #3 | France | 2 | |
| #4 | United States | 2 | |
| #5 | Belgium | 1 |
| # | Industry | |
|---|---|---|
| #1 | Computer technology | |
| #2 | Consumer goods | |
| #3 | Basic communication technologies |
| # | Technology | |
|---|---|---|
| #1 | Electric digital data processing | |
| #2 | Mechanically computing digital computers | |
| #3 | Filing and indexing | |
| #4 | Static stores | |
| #5 | Code conversion |
| # | Name | Total Patents |
|---|---|---|
| #1 | Koenders Elisabeth | 1 |
| #2 | Johannes Kennis Matheus | 1 |
| #3 | Kennis Matheus Johannes | 1 |
| #4 | Kennis Matheus J | 1 |
| #5 | Elisabeth Koenders | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE1436111A1 | Hang storage for flat objects such as folders, drawings and the like. | |
| US3072331A | Apparatus for processing decimal numbers | |
| GB893221A | Apparatus for entering and processing decimal numbers in calculating machines | |
| DE1424618A1 | Device for processing decimal numbers | |
| GB858321A | Improvements in or relating to devices for multiplying numbers |