Inventor · disambiguated record
Udo Petri
Also filed as: PETRI UDO
2 granted patents·46 citations·filing 1989–1991
64Inventor score
Files withTELEFONBAU & NORMALZEIT GMBH2
Top patents by PatentIndex Score
2 records- 0158US4991167AVoice controlled attenuation adjustment in telephone transmission circuitsTELEFONBAU & NORMALZEIT GMBH·Filed 1989·Granted Feb 5, 1991·30 cites·2 claims
- 0239US5289538ACircuit arrangement for signal and information conversion between analog junction lines and digital terminal devices in communications exchangesTELEFONBAU & NORMALZEIT GMBH·Filed 1991·Granted Feb 22, 1994·16 cites·5 claims
Join the waitlist — get patent alerts
Get an alert when Udo Petri files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →