WD

William C. Dumphy

EA Eaton: 2 patents #1,243 of 3,708Top 35%
Overall (All Time): #2,210,971 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6354265 Electro-mechanical latching rocker arm engine brake Keith Hampton, Kynan L. Church, Richard L. Madden, David M. Preston 2002-03-12
6092497 Electromechanical latching rocker arm valve deactivator David M. Preston, Kynan L. Church 2000-07-25