WG

Wilhelmus A. E. M. De Gruijter

📍 Zwijndrecht, BE: #5 of 27 inventorsTop 20%
Overall (All Time): #1,296,854 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5244519 Coating material for and method of inhibiting pathogenic and saprophitic organisms 1993-09-14
4906027 Insulating joint for metal pipelines 1990-03-06
4824147 Electrically insulated pipe joint 1989-04-25
4790570 Electrically insulated joint for metal pipes 1988-12-13