JH

Joseph C. Helland

Schlumberger Technology: 2 patents #23 of 151Top 20%
Overall (All Time): #2,220,732 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6496953 Calibration method and apparatus for correcting pulse width timing errors in integrated circuit testing 2002-12-17
6492797 Socket calibration method and apparatus Howard Maassen, William A. Fritzsche, Thomas P. Ho 2002-12-10