DG

Dennis J. Grace

DD Detroit Diesel: 2 patents #62 of 181Top 35%
📍 Beverly Hills, MI: #582 of 1,381 inventorsTop 45%
🗺 Michigan: #35,034 of 86,293 inventorsTop 45%
Overall (All Time): #2,116,685 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7650781 Method for verifying the functionality of the components of a diesel particulate filter system Donald E. Keski-Hynnila, Jeffery S. Hawkins, Harald Wedler, Reinhard Pfundt, Frank S. Groer +8 more 2010-01-26
7631552 Method of verifying component functionality on EGR and air systems Donald E. Keski-Hynnila, Jeffery S. Hawkins, Harald Wedler, Reinhard Pfundt, Frank S. Groer +7 more 2009-12-15