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Johannes Gerhardus Spijker

📍 Dedemsvaart, NL: #3 of 23 inventorsTop 15%
Overall (All Time): #1,182,895 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10459186 Optical fiber cable installation in a pressure sewerage 2019-10-29
9910237 Optical fiber cable installation in a pressure sewerage 2018-03-06
9657869 Optical fiber cable installation in a pressure sewerage 2017-05-23
9097275 System of fastening elements defined by a nut and a draw bar; drawbar and nut Ferdinand Schottert, Herman Johan Lüth, Jordy Bloemendal, Christijan Albers, Erik Lambertus Johannes Klein Nagelvoort 2015-08-04