Inventor · disambiguated record
Frederick W. Schimmel
Also filed as: SCHIMMEL FREDERICK W · SCHIMMEL FREDERICK WILLIAM
3 granted patents·6 citations·filing 1977–2017
56Inventor score
Top patents by PatentIndex Score
3 records- 0147US4105875AElectronic telephone switching system comprising a speech-path switching matrix and tone-connecting matrix and employing electronic crosspoint switching devicesSIEMENS AG·Filed 1977·Granted Aug 8, 1978·5 cites·4 claims
- 0237US10169283B2Custom data transfer connector and adapterARRIS ENTPR LLC·Filed 2017·Granted Jan 1, 2019·0 cites·3 claims
- 0325US4105873AElectronic telephone switching system comprising a speech path switching matrix and tone-connecting switching matrix and employing electronic crosspoint switchesSIEMENS AG·Filed 1977·Granted Aug 8, 1978·1 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →