Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4842653 | Process for improving the static and dynamic mechanical properties of (.alpha.+.beta.)-titanium alloys | Karl-Josef Grundhoff, Hartmut Schurmann | 1989-06-27 |
| 4752962 | Loudspeaker unit with means for releasably fastening loudspeaker chassis is to its frame | Karl Thiele, Werner Stehn | 1988-06-21 |