Her Majesty the Queen in right of Canada, as represented by the Minister of Communications
Patent Owner
Stats
- 11 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Mar 02, 2004 most recent publication
Details
- 11 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 1,119 Total Citation Count
- Jan 09, 1986 Earliest Filing
- 13 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
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Recent Publications
- No Recent Publications to Display
Recent Patents
Patent #
Title
Filing Date
Issue Date
Intl Class
6292092 Secure personal identification instrument and method for creating sameMay 07, 96Sep 18, 01[H04Q]
5367588 Method of fabricating Bragg gratings using a silica glass phase grating mask and mask used by sameOct 29, 92Nov 22, 94[H01L, G02B]
5216739 Method of creating an index grating in an optical fiber and a mode converter using the index gratingDec 20, 91Jun 01, 93[G02B]
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
5864544 TDD communication system which receives timing signals from a satellite and automatically, successively, repetitively, and alternatingly transmits and receives compressed signals in a single channelExpiredMay 20, 96Jan 26, 99[H04L, H04B, H04J]
5303419 Aperture-coupled line Magic-Tee and mixer formed therefromExpiredMay 29, 92Apr 12, 94[H01P, H04B]
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