JH

Johannes R. Hogervorst

Shell Oil Compny: 2 patents #1,477 of 4,423Top 35%
Overall (All Time): #2,356,718 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4432671 Suction anchor and method of installing a suction anchor Simon Westra 1984-02-21
4318641 Method for securing a tubular element to the bottom of a body of water and apparatus for carrying out this method 1982-03-09