SaskTel

Patent Owner

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 1446
 
  
 
H04N PICTORIAL COMMUNICATION, e.g. TELEVISION 1241

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
D416879 Computer screen with an iconOct 15, 98Nov 23, 99[1402]
RE35651 Secure hierarchial video delivery system and methodDec 15, 94Nov 04, 97[H04N]
5309564 Apparatus for networking computers for multimedia applicationsMar 19, 92May 03, 94[G06F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6574798 System and controller for control and distribution of audio and video signalsExpiredApr 12, 99Jun 03, 03[H04N, G05B]
2002/0110,235 Private telephone management system and methodAbandonedFeb 09, 01Aug 15, 02[H04M]
5904620 Apparatus and method for playing computer games via a telecommunication networkExpiredMar 19, 97May 18, 99[A63F]
5570415 Video programming and storage control using the telephone networkExpiredJan 09, 95Oct 29, 96[H04M]
5548633 Data collection network apparatus and methodExpiredApr 26, 94Aug 20, 96[H04M, H04J]
5548635 System for controlling equipment within a telephone subscriber's premises using DTMF telephone tonesExpiredJan 21, 94Aug 20, 96[H04M]
5285272 Video store and forward on demand apparatus and methodExpiredFeb 26, 91Feb 08, 94[H04N]
5172413 Secure hierarchial video delivery system and methodExpiredDec 20, 90Dec 15, 92[H04N]

Top Inventors for This Owner

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