Inventor
OTTEN ROBERT T
US4 patents
Patents
4 patentsUS6912276B1Jun 28, 2005
Modem on hold
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US7634070B2Dec 15, 2009
Modem with hold and quick connect functionality
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US7587034B2Sep 8, 2009
Use of modem on hold for network management and telephone access
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US7443966B2Oct 28, 2008
Using modems to place modem connections on hold and to maintain upper layer network connection
SILICON LAB INC2 citations60