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, Eberhard Beckmann | 1997-04-29 |
NS
Norbert Sendhoff
Overall (1997): #97,699 of 185,788Top 55%
1
Patents 1997