Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4787228 | Making molds with rectangular or square-shaped cross section | Horst Gravemann | 1988-11-29 |
| 4563252 | Making a wave guide | Werner Sczepaniak, Paul Thiele, Detlef Block, Karl-Heinz Reimann | 1986-01-07 |