Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5074477 | Method of disposing of cooling units | Hubert Welter, Hans-Peter Walter, Alfred Walter, Herman-Josef Walter | 1991-12-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5074477 | Method of disposing of cooling units | Hubert Welter, Hans-Peter Walter, Alfred Walter, Herman-Josef Walter | 1991-12-24 |