Inventor · disambiguated record

John O. Spingler

Also filed as: SPINGLER JOHN O

6 granted patents·112 citations·filing 19841989

85Inventor score
Technology areasA23B
Files withDNA PLANT TECHN CORP6

Top patents by PatentIndex Score

6 records

Join the waitlist — get patent alerts

Get an alert when John O. Spingler 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 →