Tapio Takalo

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Oulu, FI

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Patents Grantslast 30 patents

Information Patent Grant
Duplex filter operating as a change-over switch
- Patent number 5,387,886
- Issue date Feb 7, 1995
- LK-Products Oy
- Tapio Takalo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Dielectric filter
- Patent number 5,354,463
- Issue date Oct 11, 1994
- LK-Products Oy
- Aimo Turunen
- H01 - BASIC ELECTRIC ELEMENTS