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