| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 6 | |
| #2 | EPO (European Patent Office) | 2 | |
| #3 | WIPO (World Intellectual Property Organization) | 2 | |
| #4 | Australia | 1 | |
| #5 | Czechia | 1 | |
| #6 | Japan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Optics |
| # | Technology | |
|---|---|---|
| #1 | Optical systems |
| # | Name | Total Patents |
|---|---|---|
| #1 | Betensky Ellis I | 12 |
| #2 | Moskovich Jacob | 3 |
| #3 | Kreitzer Melvyn H | 3 |
| Publication | Filing date | Title |
|---|---|---|
| US5745301A | Variable power lens systems for producing small images | |
| US5371626A | Wide angle binocular system with variable power capability |