Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D305180 | Combined key holder and remote control transmitter for antitheft apparatus | Lorenzo Bonfanti, Gianfranco Salvemini | 1989-12-26 |
| D305210 | Combined key holder and remote control transmitter for antitheft apparatus | Lorenzo Bonfanti, Gianfranco Salvemini | 1989-12-26 |
| D303507 | Ultrasonic alarm for vehicles | Lorenzo Bonfanti, Gianfranco Salvemini | 1989-09-19 |
| D301989 | Siren for vehicle anti-theft alarm | Lorenzo Bonfanti, Gianfranco Salvemini | 1989-07-04 |