HH

Hendricus J. A. Hasenack

Shell Oil Compny: 2 patents #1,477 of 4,423Top 35%
Overall (All Time): #2,333,050 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4887962 Partial combustion burner with spiral-flow cooled face Ian Poll 1989-12-19
4865542 Partial combustion burner with spiral-flow cooled face Ian Poll 1989-09-12