Francois Knaff — 2 Patents at Arbed S.A.

Francois Knaff has been granted 2 US patents while listed as an inventor at Arbed S.A.. The first was granted in 1990 and the most recent in February 1991. Francois Knaff ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Francois Knaff in Niederkorn, LU.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4993691	Oxygen injection lance	Robert Mousel, Carlo Lux, Henri Klein, Romain Henrion, Carlo Heintz +2 more	1991-02-19
4971297	Nozzle for refining lance	Romain Henrion, Henri Klein, Robert Mousel, Michel Decker, Carlo Heintz +4 more	1990-11-20

Francois Knaff — 2 Patents

Issued Patents All Time

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