Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5900285 | Method of making a vessel having a wall surface having a barrier coating | Marten Walther, Martin Heming, Michael Spallek | 1999-05-04 |
| 5736207 | Vessel of plastic having a barrier coating and a method of producing the vessel | Marten Walther, Martin Heming, Michael Spallek | 1998-04-07 |