WJ

Willem G. L. de Jong

BL B. V. Linido: 1 patents #2 of 8Top 25%
BD B.V. Optische Industrie "De Oude Delft": 1 patents #13 of 31Top 45%
📍 Pijnacker, NL: #31 of 88 inventorsTop 40%
Overall (All Time): #2,266,909 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5603130 Sanitary seat Christiaan Johannes Snijders, Alphonsus M. L. D. Hoenderdos, Adrianus Petrus Josephus Maria De Jong 1997-02-18
5590427 Shower sitting structure Wilhelmine M. M. Weterings, Franciscus J. M. Nieuwenhuis 1997-01-07