Canton, Michigan
United States
3
2016-08-18
The entities that hold a legal rights for patent applications filed by inventor JEFFRIES Jonathan Patrick:
Jonathan Patrick JEFFRIES from Canton, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Piston crown to raise compression ratio
#2 | 2011-07-21Internal Combustion Engine Cylinder Head With Integral Exhaust Ducting And Turbocharger Housing
#3 | 2009-04-30Variable displacement engine having selectively engageable rocker arm with positioning device
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