Inventor · disambiguated record

Calvin D. Grade

Also filed as: GRADE CALVIN D

1 granted patent·1 citations·filing 1988–1988

17Inventor score
Files withPETRUCELLI GEORGE A1

Top patents by PatentIndex Score

1 record

Join the waitlist — get patent alerts

Get an alert when Calvin D. Grade 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 →