DB

David L. Butler

📍 Charlotte, NC: #187 of 606 inventorsTop 35%
🗺 North Carolina: #1,964 of 5,924 inventorsTop 35%
Overall (2021): #487,258 of 548,734Top 90%
1
Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11187122 Diesel particulate filter cleaning machine with filter cleaning time prediction Bryan J. Case, Gregory J. Lukins 2021-11-30