Frank J. Ferfecki — 2 Patents at Borgwarner

Frank J. Ferfecki has been granted 2 US patents while listed as an inventor at Borgwarner. The first was granted in 1986 and the most recent in October 1991. Frank J. Ferfecki ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Frank J. Ferfecki in Riverside, IL, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
5052533	One-way clutch energizing spring	James R. Carey	1991-10-01
4581000	Load block for chain-belt	—	1986-04-08	$8,880,000

Frank J. Ferfecki — 2 Patents

Issued Patents All Time

Patent Widget