Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6379409 | Dust bag | — | 2002-04-30 |
| 5630940 | Filter device for the filtration of fluids | Leonard M. van Rossen | 1997-05-20 |
BD
Bertus Dijkman
Overall (All Time): #2,213,098 of 4,157,543Top 55%
2
Patents All Time