RD

Randy L. Dufresne

General Motors: 3 patents #4,693 of 18,328Top 30%
Overall (All Time): #1,438,204 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11098666 System and method for controlling amount of sulfur on three-way catalyst by limiting deceleration cylinder cut off Michael A. Smith, Vijay Ramappan, Michael J. Lucido, Jeffrey M. Hutmacher, Scott T. Feldmann 2021-08-24
8353154 Thermally efficient exhaust treatment system for an internal combustion engine Robert Lionel Jacques, William A. Bear, Richard L. Johnson 2013-01-15
7035730 Method for diagnosing catalytic converter performance Vincent A. White, David N. Belton 2006-04-25