Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6347573 | Piston cylinder unit having an adjustable stroke length | Ines Kistenbrügger | 2002-02-19 |
| 5048681 | Envelope storage for compact discs | — | 1991-09-17 |
| 4762225 | Compact disc guard and carrying system | — | 1988-08-09 |