INTERNATIONAL TELESYSTEMS, INC.
Patent Owner
Stats
- 4 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Jun 13, 1995 most recent publication
Details
- 4 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 506 Total Citation Count
- Jul 30, 1986 Earliest Filing
- 10 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
Rank in Class
Top Patents (by citation)
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Recent Publications
- No Recent Publications to Display
Recent Patents
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
4933964 Pacing of telephone calls for call origination management systemsExpiredJul 25, 89Jun 12, 90[H04M]
4875157 Alternate memory addressing for information storage and retrievalExpiredMar 18, 87Oct 17, 89[G06F]
4829514 Digital voice recording and reproduction and telephone network signalling using direct storage in RAM of PCM encoded dataExpiredMar 18, 87May 09, 89[H04Q]
4817130 Call management system with protocol converter and port controllerExpiredDec 05, 86Mar 28, 89[H04M]
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