Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5263076 | Lithotripsy workstation | Dietrich Dirks, Wilfried Pfeiffer, Siegfried Schmidt | 1993-11-16 |
| 4872193 | Lithotripsy workstation | Wilfried Pfeiffer, Horst-Hartwig Schwieker, Dieter H. C. Christiansen | 1989-10-03 |