Ewald; Andrea Julia
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ewald; Andrea Julia.The latest application filed is for "method of multistage manufacturing a ground bore".
- Ewald; Andrea Julia - Olsberg DE
| Patent | Date |
|---|---|
| Method of multistage manufacturing a ground bore Grant 7,891,439 - Ewald February 22, 2 | 2011-02-22 |
| Method Of Multistage Manufacturing A Ground Bore App 20080236892 - EWALD; ANDREA JULIA | 2008-10-02 |
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