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Johannes Fredericus Spronk

📍 Lelystad, NL: #16 of 81 inventorsTop 20%
Overall (All Time): #1,284,836 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5797543 Three dimensional contour surface box by Anna Dik, administratrix 1998-08-25
5711479 Boxlike package with closable dispensing opening 1998-01-27
5660323 Box with sealing tab 1997-08-26
5332130 Box-like packaging with dispensing opening Jan G. Abbing, Jacobus P. J. Laanen 1994-07-26