John D Frederick — 2 Patents at Fca Us Llc.

John D Frederick has been granted 2 US patents while listed as an inventor at Fca Us Llc.. All of these patents were granted in 2025. John D Frederick ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list John D Frederick in Auburn Hills, MI, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
12404793	Dual function catalyst preheating and EGR system	Jeff Brand, Ryan Sturgeon, Kenneth E Hardman	2025-09-02
12264610	Cold start catalyst bypass system	Jeff Brand, Kenneth E Hardman	2025-04-01