| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 1 | |
| #2 | Belgium | 1 | |
| #3 | Canada | 1 | |
| #4 | Switzerland | 1 | |
| #5 | Czechoslovakia | 1 | |
| #6 | German Democratic Republic | 1 | |
| #7 | Germany | 1 | |
| #8 | France | 1 | |
| #9 | United Kingdom | 1 | |
| #10 | Hong Kong | 1 | |
| #11 | Italy | 1 | |
| #12 | Japan | 1 | |
| #13 | Netherlands | 1 | |
| #14 | Poland | 1 | |
| #15 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Control |
| # | Technology | |
|---|---|---|
| #1 | Teaching materials |
| # | Name | Total Patents |
|---|---|---|
| #1 | Bonorand Simon | 5 |
| #2 | Shimon Bonorando | 1 |
| #3 | Bonorand-Roedel Simon | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA1101663A | Teaching aid device for teaching the basic principles of arithmetic |