KZ

Kornelis N. Zijlstra

Shell Oil Compny: 2 patents #1,477 of 4,423Top 35%
Overall (All Time): #2,369,330 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4276942 Deviation device — 1981-07-07
4249611 Marine conductor string provided with a connector and a connector for use in such a marine conductor string — 1981-02-10