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Alex Victor Garner
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Leeds, EN
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last 30 patents
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Patent Grant
Vacuum stressed polymer film piezoelectric transducer
Patent number
4,064,375
Issue date
Dec 20, 1977
The Rank Organisation Limited
Kenneth Foden Russell
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
Electro-acoustic transducer diaphragms
Patent number
4,020,299
Issue date
Apr 26, 1977
The Rank Organisation Limited
Alex Victor Garner
H04 - ELECTRIC COMMUNICATION TECHNIQUE