Inventor · disambiguated record

Robert I. Annas

Also filed as: PURCELL PAT W

1 granted patent·23 citations·filing 19781978

42Inventor score
Technology areasG01F
Files withNL INDUSTRIES INC1

Top patents by PatentIndex Score

1 record

Join the waitlist — get patent alerts

Get an alert when Robert I. Annas 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 →