Inventor · disambiguated record

Ralf Prengel

Also filed as: PRENGEL RALF

1 granted patent·0 citations·filing 1995–1995

12Inventor score

Technology areasG08G

Files withPRENGEL RALF1

Top patents by PatentIndex Score

1 record

014USD373733SNavigational instrument for determining the course sector of watercraft illuminated according to regulationsPRENGEL RALF·Filed 1995·Granted Sep 17, 1996·0 cites·1 claims

Join the waitlist — get patent alerts

Get an alert when Ralf Prengel 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 →