Happich; Johannes
Patent Applications and Registrations
Patent applications and USPTO patent grants for Happich; Johannes.The latest application filed is for "non-return valve".
- Happich; Johannes - Schifferstadt DE
| Patent | Date |
|---|---|
| Non-return valve Grant 10,571,035 - Maibaum , et al. Feb | 2020-02-25 |
| Non-return Valve App 20140345706 - Maibaum; Mike ; et al. | 2014-11-27 |
| Device For Connecting Two Conduit Sections App 20140319823 - Happich; Johannes | 2014-10-30 |
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