Inventor · disambiguated record

John D. Helsm

Also filed as: HELSM JOHN D

1 granted patent·11 citations·filing 1977–1977

35Inventor score
Files withMATCHPOINT IND INC1

Top patents by PatentIndex Score

1 record

Join the waitlist — get patent alerts

Get an alert when John D. Helsm 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 →