Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5102152 | Chuck | Rainer Kempken | 1992-04-07 |
| 4939966 | Arrangement for mounting a power-operated clamping device on a machine-tool spindle | Rainer Kempken | 1990-07-10 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5102152 | Chuck | Rainer Kempken | 1992-04-07 |
| 4939966 | Arrangement for mounting a power-operated clamping device on a machine-tool spindle | Rainer Kempken | 1990-07-10 |