Ulises Olvera-Hernandez

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Bellevue, CA

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Patents Grantslast 30 patents

Information Patent Grant
Call set-up on 800 MHz analog voice channel from 1900 MHZ digital c...
- Patent number 5,878,349
- Issue date Mar 2, 1999
- Telefonaktiebolaget L M Ericsson
- Daniel Dufour
- H04 - ELECTRIC COMMUNICATION TECHNIQUE