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Gerald J. Burnett
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Atherton, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Tracking user locations over multiple networks to enable real time...
Patent number
7,908,320
Issue date
Mar 15, 2011
Pragmatus AV LLC
Lester F. Ludwig
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Storage and playback of media files
Patent number
7,831,663
Issue date
Nov 9, 2010
Pragmatus AV LLC
Lester F. Ludwig
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Storing and accessing media files
Patent number
7,822,813
Issue date
Oct 26, 2010
Lester F. Ludwig
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Storing and accessing media files
Patent number
7,730,132
Issue date
Jun 1, 2010
Lester F. Ludwig
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method for managing real-time communications
Patent number
7,487,210
Issue date
Feb 3, 2009
Avistar Communications Corporation
Lester F. Ludwig
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Wireless real-time communication
Patent number
7,444,373
Issue date
Oct 28, 2008
Avistar Communications Corporation
Lester F. Ludwig
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Real-time wide-area communications between ports
Patent number
7,441,001
Issue date
Oct 21, 2008
Avistar Communications Corporation
Lester F. Ludwig
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Communication of a selected type over a wide area network
Patent number
7,437,411
Issue date
Oct 14, 2008
Avistar Communications Corporation
Lester F. Ludwig
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Real-time communication of a selected type
Patent number
7,437,412
Issue date
Oct 14, 2008
Avistar Communications Corporation
Lester F. Ludwig
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
System for real-time communication between plural users
Patent number
7,433,921
Issue date
Oct 7, 2008
Avistar Communications Corporation
Lester F. Ludwig
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method for real-time communication between plural users
Patent number
7,421,470
Issue date
Sep 2, 2008
Avistar Communications Corporation
Lester F. Ludwig
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
System for managing real-time communications
Patent number
7,412,482
Issue date
Aug 12, 2008
Avistar Communications Corporation
Lester F. Ludwig
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Networked audio communication over two networks
Patent number
7,398,296
Issue date
Jul 8, 2008
Avistar Communications Corporation
Lester F. Ludwig
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method for real-time communication between plural users
Patent number
7,206,809
Issue date
Apr 17, 2007
Collaboration Properties, Inc.
Lester F. Ludwig
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Participant display and selection in video conference calls
Patent number
7,185,054
Issue date
Feb 27, 2007
Collaboration Properties, Inc.
Lester F. Ludwig
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
System for real-time communication between plural users
Patent number
7,152,093
Issue date
Dec 19, 2006
Collaboration Properties, Inc.
Lester F. Ludwig
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Marking and searching capabilities in multimedia documents within m...
Patent number
7,054,904
Issue date
May 30, 2006
Collaboration Properties, Inc.
Lester F. Ludwig
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Networked video multimedia storage server environment
Patent number
6,816,904
Issue date
Nov 9, 2004
Collaboration Properties, Inc.
Lester Ludwig
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Dedicated echo canceler for a workstation
Patent number
6,594,688
Issue date
Jul 15, 2003
Collaboration Properties, Inc.
Lester F. Ludwig
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Videoconferencing hardware
Patent number
6,583,806
Issue date
Jun 24, 2003
Collaboration Properties, Inc.
Lester F. Ludwig
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and system for log-in-based video and multimedia calls
Patent number
6,351,762
Issue date
Feb 26, 2002
Collaboration Properties, Inc.
Lester F. Ludwig
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Remote participant hold and disconnect during videoconferencing
Patent number
6,343,314
Issue date
Jan 29, 2002
Collaboration Properties, Inc.
Lester F. Ludwig
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Multimedia collaboration system
Patent number
6,237,025
Issue date
May 22, 2001
Collaboration Properties, Inc.
Lester F. Ludwig
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Multimedia mail, conference recording and documents in video confer...
Patent number
5,978,835
Issue date
Nov 2, 1999
Collaboration Properties, Inc.
Lester F. Ludwig
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Synchronization in video conferencing
Patent number
5,915,091
Issue date
Jun 22, 1999
Collaboration Properties, Inc.
Lester F. Ludwig
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
System for call request which results in first and second call hand...
Patent number
5,896,500
Issue date
Apr 20, 1999
Collaboration Properties, Inc.
Lester F. Ludwig
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
System for providing a directory of AV devices and capabilities and...
Patent number
5,884,039
Issue date
Mar 16, 1999
Collaboration Properties, Inc.
Lester F. Ludwig
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Two monitor videoconferencing hardware
Patent number
5,867,654
Issue date
Feb 2, 1999
Collaboration Properties, Inc.
Lester F. Ludwig
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
System for teleconferencing in which collaboration types and partic...
Patent number
5,854,893
Issue date
Dec 29, 1998
Collaboration Properties, Inc.
Lester F. Ludwig
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Teleconferencing system in which location video mosaic generator se...
Patent number
5,802,294
Issue date
Sep 1, 1998
Vicor, Inc.
Lester F. Ludwig
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Information
Patent Application
Storing and Accessing Media Files
Publication number
20070168426
Publication date
Jul 19, 2007
COLLABORATION PROPERTIES, INC.
Lester F. Ludwig
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Storage and Playback of Media Files
Publication number
20070088782
Publication date
Apr 19, 2007
COLLABORATION PROPERTIES, INC.
Lester F. Ludwig
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Storing and Accessing Media Files
Publication number
20070088781
Publication date
Apr 19, 2007
COLLABORATION PROPERTIES, INC.
Lester F. Ludwig
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Wireless Networked Audio Communication
Publication number
20070083593
Publication date
Apr 12, 2007
COLLABORATION PROPERTIES, INC.
Lester F. Ludwig
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Device for Wireless Networked Communications
Publication number
20070083594
Publication date
Apr 12, 2007
COLLABORATION PROPERTIES, INC.
Lester F. Ludwig
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Storing and Accessing Media Files
Publication number
20070083596
Publication date
Apr 12, 2007
COLLABORATION PROPERTIES, INC.
Lester F. Ludwig
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Networked Audio Communication with Login Location Information
Publication number
20070083595
Publication date
Apr 12, 2007
COLLABORATION PROPERTIES, INC.
Lester F. Ludwig
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Networked Audio Communication Over Two Networks
Publication number
20070078933
Publication date
Apr 5, 2007
COLLABORATION PROPERTIES, INC.
Lester F. Ludwig
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Method for Managing Real-Time Communications
Publication number
20070078930
Publication date
Apr 5, 2007
COLLABORATION PROPERTIES, INC.
Lester F. Ludwig
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
System for Managing Real-Time Communications
Publication number
20070078931
Publication date
Apr 5, 2007
COLLABORATION PROPERTIES, INC.
Lester F. Ludwig
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Audio Communication with Login Location Addressing
Publication number
20070078932
Publication date
Apr 5, 2007
COLLABORATION PROPERTIES, INC.
Lester F. Ludwig
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Registration based addressing and call handles to establish communi...
Publication number
20060075121
Publication date
Apr 6, 2006
COLLABORATION PROPERTIES, INC.
Lester F. Ludwig
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Using login-based addressing to communicate with listed users
Publication number
20060064461
Publication date
Mar 23, 2006
COLLABORATION PROPERTIES, INC.
Lester F. Ludwig
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Registration based addressing over multiple networks with digital a...
Publication number
20060059266
Publication date
Mar 16, 2006
COLLABORATION PROPERTIES, INC.
Lester F. Ludwig
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Log-in based communications plus two data types
Publication number
20060041617
Publication date
Feb 23, 2006
COLLABORATION PROPERTIES, INC.
Lester F. Ludwig
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Audio communications using devices with different capabilities
Publication number
20060041616
Publication date
Feb 23, 2006
COLLABORATION PROPERTIES, INC.
Lester F. Ludwig
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Scalable networked multimedia system and applications
Publication number
20050144284
Publication date
Jun 30, 2005
COLLABORATION PROPERTIES, INC.
Lester Ludwig
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
System for real-time communication between plural users
Publication number
20040107253
Publication date
Jun 3, 2004
COLLABORATION PROPERTIES, INC.
Lester F. Ludwig
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Method for real-time communication between plural users
Publication number
20040107254
Publication date
Jun 3, 2004
COLLABORATION PROPERTIES, INC.
Lester F. Ludwig
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
System for real-time communication between plural users
Publication number
20040107255
Publication date
Jun 3, 2004
COLLABORATION PROPERTIES, INC.
Lester F. Ludwig
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Method for real-time communication between plural users
Publication number
20040103152
Publication date
May 27, 2004
COLLABORATION PROPERTIES, INC.
Lester F. Ludwig
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
VIDEOCONFERENCING HARDWARE
Publication number
20020154210
Publication date
Oct 24, 2002
LESTER F. LUDWIG
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Marking and searching capabilities in multimedia documents within m...
Publication number
20020124051
Publication date
Sep 5, 2002
Lester F. Ludwig
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Dedicated echo canceler for a workstation
Publication number
20010044826
Publication date
Nov 22, 2001
Lester F. Ludwig
G06 - COMPUTING CALCULATING COUNTING