Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6413303 | Activated carbon air filters | Johannes Marra | 2002-07-02 |
SG
Sigrid M. R. Gelderland
Overall (2002): #116,089 of 266,432Top 45%
1
Patents 2002