The Manitoba Telephone System

Patent Owner

Watch Compare Add to Portfolio

Stats

Details

Patent Activity in the Last 10 Years

Technologies

  • No Technology to Display

Top Patents (by citation)

Upgrade to the Professional Level to View Top Patents for this Owner. Learn More

Recent Publications

  • No Recent Publications to Display

Recent Patents

  • No Recent Patents to Display

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4897875 Key management system for open communication environmentsExpiredSep 03, 87Jan 30, 90[H04L]
4484218 Video distribution control systemExpiredApr 29, 81Nov 20, 84[H04N]
4430731 Video and data distribution module with subscriber terminalExpiredApr 29, 81Feb 07, 84[H04N, H04J]
4411007 Distributed network synchronization systemExpiredApr 29, 81Oct 18, 83[H04J]

Top Inventors for This Owner

Upgrade to the Professional Level to View Top Inventors for this Owner. Learn More

We are sorry but your current selection exceeds the maximum number of comparisons () for this membership level. Upgrade to our Level for up to -1 comparisons!

We are sorry but your current selection exceeds the maximum number of portfolios (0) for this membership level. Upgrade to our Level for up to -1 portfolios!.