Inventor · disambiguated record
N. R. Duff
Also filed as: DUFF N R
2 granted patents·22 citations·filing 1993–1994
60Inventor score
Technology areasA63D
Files withDUFF N R1
Top patents by PatentIndex Score
2 recordsJoin the waitlist — get patent alerts
Get an alert when N. R. Duff 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 →