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John Lawrence McGrael
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Cambridge, MA, US
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Patents Grants
last 30 patents
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Patent Grant
Stereo paired speaker system with center extraction
Patent number
10,952,005
Issue date
Mar 16, 2021
Bose Corporation
John Lawrence McGrael
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
Loudspeaker with deflector at a port exit
Patent number
10,405,084
Issue date
Sep 3, 2019
Bose Corporation
Donna Marie Sullivan
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
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Patent Application
LOUDSPEAKER WITH DEFLECTOR AT A PORT EXIT
Publication number
20190069077
Publication date
Feb 28, 2019
Bose Corporation
Donna Marie Sullivan
H04 - ELECTRIC COMMUNICATION TECHNIQUE