Inventor · disambiguated record
Carl Trainer
Also filed as: TRAINER CARL
2 granted patents·7 citations·filing 1978–1989
52Inventor score
Files withSIEMENS AG2
Top patents by PatentIndex Score
2 records- 0136US4211899ACircuit arrangement for an indirectly controlled exchange, in particular a telephone exchangeSIEMENS AG·Filed 1978·Granted Jul 8, 1980·4 cites·11 claims
- 0225US5077744AMethod for error protection in telephone switching installationsSIEMENS AG·Filed 1989·Granted Dec 31, 1991·3 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →