Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5376320 | Process of producing rottable thin-walled shaped bodies made of starch | Karl Tiefenbacher, Johann Haas | 1994-12-27 |
| 5310070 | Container of readily biodegradable material | Johann Haas | 1994-05-10 |