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USPTO Patent Rankings Data through Sept 30, 2025
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Marinus A. Spang — 1 Patent

U.S. Philips: 1 patents #4,133 of 8,851Top 50%
Overall (All Time): #3,970,914 of 4,157,543Top 100%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4652978 Method for the manufacture of a wound electrolytic foil capacitor Willem H. Oosthoek 1987-03-24