Opperdoes, NL ranks #50,825 worldwide for total patents filed all time, with 11 patents from 5 inventors. Leading employers of inventors based in Opperdoes, NL include Machinefabriek Bollegraaf Appingedam B.V., Assa Abloy Entrance Systems Ab, Unknown.
Showing 1–5 of 5 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Dirk Jan Vos | Machinefabriek Bollegraaf Appingedam B.V. | 5 |
| 2 | Simon Rustenburg | — | 2 |
| 2 | Peter Van De Wiel | Assa Abloy Entrance Systems Ab | 2 |
| #4 | Pieter van de Wiel | Assa Abloy Entrance Systems Ab | 1 |
| #4 | Petrus N. R. J. Van De Wiel | Unknown | 1 |