DF

David E. Fletcher

DH Dayco Ip Holdings: 5 patents #2 of 22Top 10%
📍 Flint, MI: #1 of 13 inventorsTop 8%
🗺 Michigan: #442 of 8,960 inventorsTop 5%
Overall (2016): #29,732 of 481,213Top 7%
5
Patents 2016

Issued Patents 2016

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
9447697 Wastegate valve and turbocharger having same Craig Markyvech, James H. Miller, Brian M. Graichen 2016-09-20
9441647 Pressure piston actuator with non-rigid shaft Brian M. Graichen, Stuart J. Kirby 2016-09-13
9382826 Noise attenuating member for noise attenuating units in engines Brian M. Graichen, Denis Vashuk, Rex Bravo 2016-07-05
9291094 Variable flow valve having metered flow orifice Brian M. Graichen 2016-03-22
9238388 Tire pressure maintenance apparatus and system James H. Miller, Craig Markyvech, Brian M. Graichen 2016-01-19