Inventor · disambiguated record

John M. Callis

Also filed as: CALLIS JOHN M

1 granted patent·20 citations·filing 1992–1992

39Inventor score
Technology areasG01N
Files withCALLIS REX D1

Top patents by PatentIndex Score

1 record

Join the waitlist — get patent alerts

Get an alert when John M. Callis 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 →