Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5282877 | Filtration device | Phillip E. Unger, Hendrik A. Dirkse | 1994-02-01 |
PT
Petrus Jacobus Adrianus Tijm
Overall (1994): #82,317 of 165,921Top 50%
1
Patents 1994