John Christopher Riegger

Ford: 26 patents #604 of 17,473Top 4%

📍 Ann Arbor, MI: #282 of 6,071 inventorsTop 5%

🗺 Michigan: #2,695 of 86,293 inventorsTop 4%

Overall (All Time): #154,363 of 4,157,543Top 4%

Patents All Time

Issued Patents All Time

Showing 26–26 of 26 patents

Patent #	Title	Co-Inventors	Date
8100117	Method and system for controlling engine exhaust	Shuya Shark Yamada, Steven Paul Penkevich	2012-01-24