Inventor · disambiguated record
Christian K. Barker
Also filed as: BARKER CHRISTIAN K
4 granted patents·23 citations·filing 2014–2019
69Inventor score
Files withJOHNSON CO E F4
Top patents by PatentIndex Score
4 records- 0174USD725085SDual push-to-talk radio microphoneJOHNSON CO E F·Filed 2014·Granted Mar 24, 2015·21 cites·1 claims
- 0260US10469047B2Automatic volume control for land mobile radioJOHNSON CO E F·Filed 2018·Granted Nov 5, 2019·1 cites·20 claims
- 0357US9923534B2Automatic volume control for land mobile radioJOHNSON CO E F·Filed 2015·Granted Mar 20, 2018·1 cites·15 claims
- 0452US11374546B2Automatic volume control for land mobile radioJOHNSON CO E F·Filed 2019·Granted Jun 28, 2022·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →