Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861172 | Liquid seal for machine parts moving rotationally and axially in relation to one another | Annast Rudolf, Dieter Maurer, Jurgen Rauter | 1989-08-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861172 | Liquid seal for machine parts moving rotationally and axially in relation to one another | Annast Rudolf, Dieter Maurer, Jurgen Rauter | 1989-08-29 |