Kjell Kristoffersen

VA Vingmed Sound A/S: 1 patents #1 of 5Top 20%

📍 Oslo, NO: #14 of 58 inventorsTop 25%

Overall (1997): #117,647 of 185,788Top 65%

Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5662115	Method for determining the velocity-time spectrum of blood flow	Hans Torp	1997-09-02