GW

Gerhard d. van Wijngaarden

Shell Oil Compny: 2 patents #1,477 of 4,423Top 35%
Overall (All Time): #2,333,317 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4869837 Preparation of a basic salt Henricus M. J. Brons 1989-09-26
4539126 Borated basic metal salt and lubricating oil composition Jan J. Bleeker, Martin Booth, Madeline G. F. M. van Grieken, Wilhelmus J. Krijnen 1985-09-03