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Hette Knijpstra

KBKnijpstra Konstruktie B.V.: 1 patents #1 of 1Top 100%
Terband, NL: #1 of 1 inventorsTop 100%
Overall (1989): #106,698 of 140,708Top 80%
1 Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4807869 Amusement device having a rotatable, swivelling and tiltable rigid gondola 1989-02-28