MH

Martin L. Hall

General Motors: 3 patents #4,693 of 18,328Top 30%
Overall (All Time): #1,550,545 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8136347 Algorithm to diagnose leaks or blockages downstream of the secondary air injection reaction (SAIR) pressure sensor Ian J. Mac Ewen, Lawrence O. Murray, Julia C. Grow, Richard A. Van Camp, David Edward Prout +1 more 2012-03-20
7028463 Engine valve assembly Bryant G. Hammond, David Frank 2006-04-18
6983590 Secondary air injection diagnostic system using pressure feedback Matthew Roelle, Daniel H. Hooker, Gary E. Johnston, Kevin Person, Jeffrey M. Polidan 2006-01-10