John Dorn — 2 Patents at Farr | Patent Leaderboard

John Dorn has been granted 2 US patents while listed as an inventor at Farr. The first was granted in 1985 and the most recent in September 2007. John Dorn ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list John Dorn in Redondo Beach, CA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
7272971	Quick-connect pressure test system	Cory Reimer, Duane Reimer	2007-09-25
4499733	Emergency shutdown mechanism for a turbocharged diesel engine	Richard S. Farr	1985-02-19	$245,000

John Dorn — 2 Patents

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