Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859857 | Ion-projection apparatus and method of operating same | Gerhard Stengl, Hans Loschner | 1989-08-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859857 | Ion-projection apparatus and method of operating same | Gerhard Stengl, Hans Loschner | 1989-08-22 |