SPECTEL OPERATIONS, LIMITED

Patent Owner

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
H04M TELEPHONIC COMMUNICATION 2161
 
 
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 1284
 
 
 
H04N PICTORIAL COMMUNICATION, e.g. TELEVISION 1241
 
 
 
H04Q SELECTING 1109

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6539087 Audio conferencing systemNov 17, 00Mar 25, 03[H04M]
5870146 Device and method for digital video transcodingJan 21, 97Feb 09, 99[H04N]
5841763 Audio-video conferencing systemJun 13, 95Nov 24, 98[H04L, H04Q]
5495522 Method and apparatus for audio teleconferencing a plurality of phone channelsNov 07, 94Feb 27, 96[H04M]

Expired/Abandoned/Withdrawn Patents

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Top Inventors for This Owner

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