JJ

Jonathan Patrick Jeffries

Ford: 2 patents #6,445 of 17,473Top 40%
Overall (All Time): #1,996,153 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9845766 Piston crown to raise compression ratio Brian D. Armstrong, Thomas Kostrzewski 2017-12-19
7913656 Variable displacement engine having selectively engageable rocker arm with positioning device Michael Bruno Magnan, Brian J. Fregonese, Todd Jay Brewer 2011-03-29