Inventor · disambiguated record

John Howard Semon

Also filed as: SEMON JOHN HOWARD

1 granted patent·25 citations·filing 1976–1976

42Inventor score
Technology areasC10C
Files withWITCO CHEMICAL CORP1

Top patents by PatentIndex Score

1 record

Join the waitlist — get patent alerts

Get an alert when John Howard Semon 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 →

John Howard Semon — Patent Inventor | PatentIndex