Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5088576 | Mass and spring systems for soundproofing | Hans-Hermann Potthoff, Ingolf Scheffler, Klaus Ruch | 1992-02-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5088576 | Mass and spring systems for soundproofing | Hans-Hermann Potthoff, Ingolf Scheffler, Klaus Ruch | 1992-02-18 |