Inventor · disambiguated record

John M. Spangler

Also filed as: SPANGLER JOHN · SPANGLER JOHN M

23 granted patents·16 pending applications·156 citations·filing 19902020

95Inventor score
Technology areasB65GG06QC09DB01DF16J
Files withCATERPILLAR INC26SPANGLER JOHN M11

Top patents by PatentIndex Score

39 records

Join the waitlist — get patent alerts

Get an alert when John M. Spangler 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 →