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Edward T. NORCOTT JR.
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Los Gatos, CA, US
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Patents Grants
last 30 patents
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Patent Grant
Acoustic transducer comprising a plurality of coaxially arranged di...
Patent number
9,967,673
Issue date
May 8, 2018
TYMPHANY HK LIMITED
Andrew David Unruh
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Acoustic transducer comprising a plurality of coaxially arranged di...
Patent number
9,462,388
Issue date
Oct 4, 2016
TYMPHANY HK LIMITED
Andrew David Unruh
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Acoustic transducer comprising a plurality of coaxially arranged di...
Patent number
8,897,472
Issue date
Nov 25, 2014
Tymphany HK Limited
Andrew David Unruh
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
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Patent Application
ACOUSTIC TRANSDUCER COMPRISING A PLURALITY OF COAXIALLY ARRANGED DI...
Publication number
20150036867
Publication date
Feb 5, 2015
Tymphany HK Limited
Andrew David UNRUH
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ACOUSTIC TRANSDUCER COMPRISING A PLURALITY OF COAXIALLY ARRANGED DI...
Publication number
20150036868
Publication date
Feb 5, 2015
Tymphany HK Limited
Andrew David UNRUH
H04 - ELECTRIC COMMUNICATION TECHNIQUE