BRITANNICA HOLDINGS LIMITED

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H04N PICTORIAL COMMUNICATION, e.g. TELEVISION 3239

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6445405 Teleconferencing method and systemOct 24, 00Sep 03, 02[H04N]
5751337 Teleconferencing method and system for providing face-to-face, non-animated teleconference environmentNov 04, 96May 12, 98[H04N]
5572248 Teleconferencing method and system for providing face-to-face, non-animated teleconference environmentSep 19, 94Nov 05, 96[H04N]

Expired/Abandoned/Withdrawn Patents

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Top Inventors for This Owner

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