Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5139560 | Apparatus for the manufacture of hollow glassware | Hans-Dieter Renkl | 1992-08-18 |
| 4853022 | Apparatus for the production of hollow glass bodies | Hans-Dieter Renkl | 1989-08-01 |