Hoellenriegel; Wolfgang
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hoellenriegel; Wolfgang.The latest application filed is for "water-heating system".
- Hoellenriegel; Wolfgang - Biedenkopf DE
| Patent | Date |
|---|---|
| Water-heating system Grant 8,096,293 - Hoellenriegel , et al. January 17, 2 | 2012-01-17 |
| Water-heating System App 20090223509 - Hoellenriegel; Wolfgang ; et al. | 2009-09-10 |
| System for heating or cooling a building App 20070267170 - Hoellenriegel; Wolfgang | 2007-11-22 |
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