JW

Johannes Dirk Wierstra

Koniniklijke Philips N.V.: 1 patents #4,025 of 7,486Top 55%
📍 Drachten, NL: #164 of 272 inventorsTop 65%
Overall (All Time): #2,493,389 of 4,157,543Top 60%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11964404 Shaving unit, electric shaver having the shaving unit, and associated method Marinus Arnoldus Martinus Vugts, Nikolaj Vasiljevitsj ZJIROECHA, Arend Hinderikus Bakker, Oedilius Johannes Bisschop, Babu Varghese +5 more 2024-04-23