JZ

James Zehnal

Ford: 1 patents #9,341 of 17,473Top 55%
📍 Livonia, MI: #913 of 1,586 inventorsTop 60%
🗺 Michigan: #49,615 of 86,293 inventorsTop 60%
Overall (All Time): #3,747,514 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5535722 Knock detection system and control method for an internal combustion engine William J. Graessley, Kevin Ronald Carlstrom, Mitchell Anthony DePerno, Daniel P. Bartolucci, James W. Forbes 1996-07-16