| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 5 | |
| #2 | Norway | 2 | |
| #3 | Sweden | 2 | |
| #4 | Argentina | 1 | |
| #5 | Brazil | 1 | |
| #6 | Canada | 1 | |
| #7 | Germany | 1 | |
| #8 | Denmark | 1 | |
| #9 | Israel | 1 | |
| #10 | Italy | 1 | |
| #11 | United States | 1 | |
| #12 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games | |
| #2 | Control | |
| #3 | Machines | |
| #4 | Consumer goods | |
| #5 | Weapons |
| # | Technology | |
|---|---|---|
| #1 | Games | |
| #2 | Teaching materials | |
| #3 | Unspecified technologies | |
| #4 | Explosiveness missiles | |
| #5 | Physical training equipment | |
| #6 | Laundering textiles |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hesener W | 9 |
| Publication | Filing date | Title |
|---|---|---|
| GB1363439A | Set of question-carrying media for use with an apparatus for p laying an educational game | |
| ZA7102085B | Question and answer educational game with an answer control device | |
| US3780453A | Question and answer educational game with an answer control device | |
| IL30672D0 | Stick for hand mop |