Hagen; Alfred
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hagen; Alfred.The latest application filed is for "electro-surgical treatment instrument".
- Hagen; Alfred - Tuttlingen DE
| Patent | Date |
|---|---|
| Electro-surgical treatment instrument Grant 5,330,470 - Hagen July 19, 1 | 1994-07-19 |
| Medical high frequency coagulation instrument Grant 5,277,696 - Hagen January 11, 1 | 1994-01-11 |
| Medical high frequency coagulation cutting instrument Grant 5,267,998 - Hagen December 7, 1 | 1993-12-07 |
| Electric surgical high-frequency instrument Grant 5,133,711 - Hagen July 28, 1 | 1992-07-28 |
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