JZ

John A. Zahorchak

General Motors: 3 patents #4,693 of 18,328Top 30%
📍 Warren, MI: #215 of 910 inventorsTop 25%
🗺 Michigan: #27,158 of 86,293 inventorsTop 35%
Overall (All Time): #1,650,487 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5402007 Method and apparatus for maintaining vehicle battery state-of-change Marc B. Center, Alton G. De Claire, Jr. 1995-03-28
4309971 Adaptive air/fuel ratio controller for internal combustion engine Alan F. Chiesa, David Evans, James R. Norford 1982-01-12
4306529 Adaptive air/fuel ratio controller for internal combustion engine Alan F. Chiesa, Fayetta L. Colden, David A. Singer 1981-12-22