| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 6 | |
| #2 | WIPO (World Intellectual Property Organization) | 3 | |
| #3 | Brazil | 1 | |
| #4 | EPO (European Patent Office) | 1 | |
| #5 | Poland | 1 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology | |
| #2 | Telecommunications | |
| #3 | Basic communication technologies | |
| #4 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Resonators | |
| #2 | Television | |
| #3 | Broadcast communication | |
| #4 | Secret communication | |
| #5 | Electrically-conductive connections | |
| #6 | Casings and printed circuits |
| # | Name | Total Patents |
|---|---|---|
| #1 | Zelenz Martin L | 8 |
| #2 | Tresness Andrew F | 8 |
| #3 | Zinevitch Victor M | 3 |
| #4 | Gould Jerry M | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US2010134206A1 | Step attenuator circuit with improved insertion loss | |
| US6323743B1 | Electronic filter assembly | |
| US5999796A | Return path attenuation filter | |
| US6081599A | Saw television scrambling system | |
| US5745838A | Return path filter |