Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4962710 | Impact-impeding pane/frame structure | Siegfried Habicht, Eitel-Friedrich Hocker | 1990-10-16 |
| 4879957 | Impact-impeding pane/frame structure | Siegfried Habicht, Eitel-Friedrich Hocker | 1989-11-14 |