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Patexia Keith Lantz’s

Keith Lantz > Patents

Doc No Title Issue date
08659636 System and method for performing distributed video conferencing Feb 25, 2014
07908320 Tracking user locations over multiple networks to enable real time communications Mar 15, 2011
07889636 System and method for implementing a mid-call policy in a RSVP environment Feb 15, 2011
07831663 Storage and playback of media files Nov 9, 2010
07822813 Storing and accessing media files Oct 26, 2010
07756138 System and method for implementing RSVP in a communication environment Jul 13, 2010
07730132 Storing and accessing media files Jun 1, 2010
07499415 System and method for preserving bandwidth in a RSVP environment Mar 3, 2009
07487210 Method for managing real-time communications Feb 3, 2009
07477282 System and method for performing distributed video conferencing Jan 13, 2009
07444373 Wireless real-time communication Oct 28, 2008
07441001 Real-time wide-area communications between ports Oct 21, 2008
07437411 Communication of a selected type over a wide area network Oct 14, 2008
07437412 Real-time communication of a selected type Oct 14, 2008
07433921 System for real-time communication between plural users Oct 7, 2008
07421470 Method for real-time communication between plural users Sep 2, 2008
07412482 System for managing real-time communications Aug 12, 2008
07398296 Networked audio communication over two networks Jul 8, 2008
07206809 Method for real-time communication between plural users Apr 17, 2007
07185054 Participant display and selection in video conference calls Feb 27, 2007
07152093 System for real-time communication between plural users Dec 19, 2006
07084898 System and method for providing video conferencing synchronization Aug 1, 2006
07054904 Marking and searching capabilities in multimedia documents within multimedia collaboration networks May 30, 2006
06989856 System and method for performing distributed video conferencing Jan 24, 2006
06594688 Dedicated echo canceler for a workstation Jul 15, 2003
06583806 Videoconferencing hardware Jun 24, 2003
06351762 Method and system for log-in-based video and multimedia calls Feb 26, 2002
06343314 Remote participant hold and disconnect during videoconferencing Jan 29, 2002
06237025 Multimedia collaboration system May 22, 2001
05978835 Multimedia mail, conference recording and documents in video conferencing Nov 2, 1999
05915091 Synchronization in video conferencing Jun 22, 1999
05896500 System for call request which results in first and second call handle defining call state consisting of active or hold for its respective AV device Apr 20, 1999
05884039 System for providing a directory of AV devices and capabilities and call processing such that each participant participates to the extent of capabilities available Mar 16, 1999
05867654 Two monitor videoconferencing hardware Feb 2, 1999
05854893 System for teleconferencing in which collaboration types and participants by names or icons are selected by a participant of the teleconference Dec 29, 1998
05802294 Teleconferencing system in which location video mosaic generator sends combined local participants images to second location video mosaic generator for displaying combined images Sep 1, 1998
05758079 Call control in video conferencing allowing acceptance and identification of participants in a new incoming call during an active teleconference May 26, 1998
05689641 Multimedia collaboration system arrangement for routing compressed AV signal through a participant site without decompressing the AV signal Nov 18, 1997
05617539 Multimedia collaboration system with separate data network and A/V network controlled by information transmitting on the data network Apr 1, 1997
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