Radio Telcom & Technology, Inc.

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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 4238

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5596361 Two-way cable TV conversion system for data transmission over a dedicated frequency bandSep 11, 95Jan 21, 97[H04N]
5589872 Compatible interactive TV and multimedia delivery system two-way cable TV conversion system for data transmission over a dedicated frequency bandSep 11, 95Dec 31, 96[H04N]
5550579 Two-way cable tv conversion systemMar 07, 94Aug 27, 96[H04N]
5321514 Interactive television and data transmission systemSep 04, 92Jun 14, 94[H04N]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5812184 Transmission of frame-to-frame reversed polarity signals in a two-way cable TV conversion systemExpiredSep 11, 95Sep 22, 98[H04N]
5177604 Interactive television and data transmission systemExpiredJun 03, 88Jan 05, 93[H04N]
4750036 Interactive television and data transmission systemExpiredMay 14, 86Jun 07, 88[H04N]

Top Inventors for This Owner

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