| # | Industry | |
|---|---|---|
| #1 | Telecommunications | |
| #2 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Transmission | |
| #2 | Electric motor controls |
| # | Name | Total Patents |
|---|---|---|
| #1 | Renggli G M | 4 |
| #2 | Renggli G | 1 |
| #3 | Giidou Manfuretsudo Renguri | 1 |
| #4 | Renggli Guido Manfred | 1 |
| Publication | Filing date | Title |
|---|---|---|
| IT1203048B | Underwater speech communication system - in which frequency modulated signals are produced by multivibrator modulator | |
| AU2046476A | Underwater fm communication |