Inventor
RATCLIFF JEFF
US3 patents
Patents
3 patentsUS7339605B2Mar 4, 2008
Conference link between a speakerphone and a video conference unit
POLYCOM INC69 citations95
US6771302B1Aug 3, 2004
Videoconference closed caption system and method
POLYCOM INC61 citations94
US8004556B2Aug 23, 2011
Conference link between a speakerphone and a video conference unit
POLYCOM INC23 citations90