Frei; Hans-Peter
Patent Applications and Registrations
Patent applications and USPTO patent grants for Frei; Hans-Peter.The latest application filed is for "brewing head of an espresso maker".
- Frei; Hans-Peter - Oetwil am See CH
| Patent | Date |
|---|---|
| Brewing head of an espresso maker Grant 5,622,099 - Frei April 22, 1 | 1997-04-22 |
| Apparatus for the preparation of hot beverages, particularly a coffee machine Grant 4,681,028 - Schmed , et al. July 21, 1 | 1987-07-21 |
| Process and an apparatus for the proportioning of coffee powder in a coffee machine Grant 4,659,023 - Frei , et al. April 21, 1 | 1987-04-21 |
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