Inventor · disambiguated record

Edna M. Johnstone

Also filed as: JOHNSTONE EDNA M

1 granted patent·31 citations·filing 19891989

44Inventor score
Technology areasA47J
Files withJOHNSTONE EDNA M1

Top patents by PatentIndex Score

1 record

Join the waitlist — get patent alerts

Get an alert when Edna M. Johnstone 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 →