Christopher Spear

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Maidstone, GB

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Patents Grantslast 30 patents

Information Patent Grant
Loudpseakers
- Patent number 11,490,210
- Issue date Nov 1, 2022
- GP Acoustics International Limited
- Jack Anthony Oclee-Brown
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Loudspeaker
- Patent number 10,715,921
- Issue date Jul 14, 2020
- GP ACOUSTICS INTERNATIONAL LIMITED
- Mark Alexander Dodd
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Loudpseakers
- Publication number 20210227331
- Publication date Jul 22, 2021
- GP Acoustics International Limited
- Jack Anthony Oclee-Brown
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Loudspeaker
- Publication number 20190124450
- Publication date Apr 25, 2019
- GP Acoustics International Limited
- Mark Alexander Dodd
- H04 - ELECTRIC COMMUNICATION TECHNIQUE