| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Sweden | 3 | |
| #2 | United States | 3 | |
| #3 | Australia | 2 | |
| #4 | WIPO (World Intellectual Property Organization) | 2 | |
| #5 | EPO (European Patent Office) | 1 |
| # | Technology | |
|---|---|---|
| #1 | Optical systems | |
| #2 | Weapon sights |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ekstrand John Arne Ingemund | 5 |
| #2 | Ekstrand J A I | 3 |
| #3 | Ekstrand John A I | 3 |
| Publication | Filing date | Title |
|---|---|---|
| AU5960886A | Gun sighting telescope | |
| AU5960786A | Arrangement in a luminous dot sighting instrument | |
| EP0179036A2 | Arrangement of a sighting mark and a light-producing source of energy therefor |