Sprenger; Walter
Patent Applications and Registrations
Patent applications and USPTO patent grants for Sprenger; Walter.The latest application filed is for "aminourethanes, preparation and use thereof".
- Sprenger; Walter - Dieburg DE
- Sprenger; Walter - D-8565 Kirchensittenbach DE
| Patent | Date |
|---|---|
| Aminourethanes, preparation and use thereof Grant 4,808,658 - Walz , et al. February 28, 1 | 1989-02-28 |
| Cable protection device Grant 4,530,865 - Sprenger July 23, 1 | 1985-07-23 |
| Water-dilutable polyester, process for the preparation thereof and the use thereof Grant 4,390,688 - Walz , et al. June 28, 1 | 1983-06-28 |
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