FD

Frederick M. H. J. Duysings

Shell Oil Compny: 1 patents #2,223 of 4,423Top 55%
📍 Houston, TX: #12,319 of 21,073 inventorsTop 60%
🗺 Texas: #73,555 of 125,132 inventorsTop 60%
Overall (All Time): #3,930,071 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4838738 Pressure compensated weigh system James A. Salter, Thomas Schmidt, Thomas S. Dewitz, Charles M. Arbore, Johannes W. van der Meer +2 more 1989-06-13