Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4704879 | Treatment machine with rotatable treatment drum | Alfred Christ, Leonhard Spiewok | 1987-11-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4704879 | Treatment machine with rotatable treatment drum | Alfred Christ, Leonhard Spiewok | 1987-11-10 |