Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5624748 | Packaging materials having barrier properties against oxygen | Erich Penzel, Hermann Seyffer, Norbert Sendhoff | 1997-04-29 |
EB
Eberhard Beckmann
Overall (1997): #156,923 of 185,788Top 85%
1
Patents 1997