JJ

Joannes M. M. de Jong

SP Sperry: 1 patents #355 of 841Top 45%
Overall (All Time): #4,059,285 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4409830 Wave velocity detecting schemes for traveling wave flow meter Richard L. Earle, Richard K. Somes 1983-10-18