| # | Industry | |
|---|---|---|
| #1 | Optics | |
| #2 | Audio-visual technology |
| # | Technology | |
|---|---|---|
| #1 | Cameras | |
| #2 | Optical systems | |
| #3 | Television | |
| #4 | Special information storage |
| # | Name | Total Patents |
|---|---|---|
| #1 | Gregorio Pietrangelo | 23 |
| #2 | Pietrangelo Gregorio | 4 |
| #3 | Gregorio P | 1 |
| #4 | Brevetto Il Richiedente Il | 1 |
| Publication | Filing date | Title |
|---|---|---|
| AU2634477A | Cinematographic printing | |
| DE2454611A1 | DEVICE FOR COATING A WIDE VISIBLE AREA DESPITE THE FIXED ARRANGEMENT OF A TV CAMERA FOR THE MONITORING OF BANKS AND SIMILAR SPACES |