Partial year: Data through Q3 2025 (Sept 30). Full-year totals not yet available.
GR

Graham Russell

SP Sigma Powertain: 1 patents #1 of 4Top 25%
📍 Clarkston, MI: #16 of 50 inventorsTop 35%
🗺 Michigan: #2,040 of 6,958 inventorsTop 30%
Overall (2025): #379,147 of 469,880Top 85%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12372124 Method for operating clutch elements of a transmission Daniel E Knieper, R William Davis, John W. Kimes 2025-07-29