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Ronald Brost
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Vacaville, CA, US
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Patents Grants
last 30 patents
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Patent Grant
System and method of security monitoring
Patent number
9,294,738
Issue date
Mar 22, 2016
AT&T Intellectual Property I, L.P.
Goangshiuan Ying
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
METHODS AND APPARATUS TO TEST A CENTRAL OFFICE DIGITAL SUBSCRIBER L...
Publication number
20090252207
Publication date
Oct 8, 2009
Ronald Brost
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHODS AND APPARATUS TO MAINTAIN COMMUNICATION SERVICES DURING A P...
Publication number
20080181393
Publication date
Jul 31, 2008
Ronald Brost
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
System and method of security monitoring
Publication number
20080055423
Publication date
Mar 6, 2008
SBC Knowledge Ventures, L.P.
Goangshiuan Ying
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
System and method of controlling access to an entrance
Publication number
20080007621
Publication date
Jan 10, 2008
SBC Knowledge Ventures, L.P.
Goangshiuan Ying
H04 - ELECTRIC COMMUNICATION TECHNIQUE