Ervasti; Kimmo
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ervasti; Kimmo.The latest application filed is for "coaxial resonator and method of operating a coaxial resonator".
- Ervasti; Kimmo - Varjakka FI
| Patent | Date |
|---|---|
| Coaxial Resonator and Method of Operating a Coaxial Resonator App 20200083589 - Karhu; Kimmo ; et al. | 2020-03-12 |
| Stepwise regulated filter having a multiple-step switch Grant 5,793,269 - Ervasti , et al. August 11, 1 | 1998-08-11 |
| Filter with improved stop/pass ratio Grant 5,739,735 - April 14, 1 | 1998-04-14 |
| Stepwise switched filter Grant 5,734,305 - Ervasti March 31, 1 | 1998-03-31 |
| Resonator filter with variable tuning Grant 5,627,502 - Ervasti May 6, 1 | 1997-05-06 |
| Helical resonator filter including short circuit stub tuning Grant 5,585,771 - Ervasti , et al. December 17, 1 | 1996-12-17 |
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