Inventor · disambiguated record

Roger J. Duffek

Also filed as: DUFFEK ROGER J

1 granted patent·22 citations·filing 1987–1987

40Inventor score
Technology areasB08B
Files withHAMILTON IND1

Top patents by PatentIndex Score

1 record

Join the waitlist — get patent alerts

Get an alert when Roger J. Duffek 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 →