Inventor · disambiguated record

Spencer C. Johnston

Also filed as: JOHNSTON SPENCER C

1 granted patent·23 citations·filing 2006–2006

41Inventor score
Technology areasF01N
Files withCUMMINS INC1

Top patents by PatentIndex Score

1 record

Join the waitlist — get patent alerts

Get an alert when Spencer C. Johnston 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 →