Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4739586 | Method of and apparatus for edge grinding glass panes | Rudolf Eckardt, Hans-Cristoph Neuendorf | 1988-04-26 |
| 4519829 | Method of and apparatus for quench-tempering shaped glass | Rudolf Eckardt, Cristoph Neuendorf | 1985-05-28 |