Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4739586 | Method of and apparatus for edge grinding glass panes | Rudolf Eckardt, Horst Spittka | 1988-04-26 |
| 4730703 | Load lowering device with a rope or cable drum | — | 1988-03-15 |
| 4513196 | Electric self-defrosting windshield heating arrangement providing fast or slow heat | Lutz Bartelsen | 1985-04-23 |
| 4426811 | Method of and apparatus for grinding the edges of glass sheets | Rudolf Eckardt | 1984-01-24 |
| 4406091 | Apparatus for grinding the edges of glass sheets | Rudolf Eckardt | 1983-09-27 |