DP

David L. St. Pierre

General Motors: 2 patents #6,250 of 18,328Top 35%
Overall (All Time): #2,139,932 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7607415 Method of crank signal disturbance compensation David S. Mathews, Tameem K. Assaf, Ronald J. Kubani, Yong Xu 2009-10-27
7353803 Misfire detection apparatus for internal combustion engine based on piston speed David S. Mathews, Tameem K. Assaf 2008-04-08