AM

Alwin Mertens

WB Weener Plastics Group B.V.: 2 patents #2 of 12Top 20%
Overall (All Time): #1,749,907 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11912472 Self-closing dispensing valve made of a plastomer or a thermoplastic elastomer Marcel Pater, Sebastiaan Wilhelmus Josephus Den Boer, Lenny Marita Ellenkamp-Van Olst 2024-02-27
11840377 Self-closing valve with indentations in valve head contour Marcel Pater, Sebastiaan Wilhelmus Josephus Den Boer, Lenny Marita Ellenkamp-Van Olst 2023-12-12