PHOTONICS RESEARCH ONTARIO

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6621060 Autofocus feedback positioning system for laser processingExpiredMar 29, 02Sep 16, 03[G02B]
6529540 Variable output coupling laserExpiredSep 22, 99Mar 04, 03[H01S]
6514277 Fiber optic multitasking probeExpiredJun 11, 99Feb 04, 03[A61B]
6398778 Optical fiber diffuserExpiredJun 18, 99Jun 04, 02[A61B]
6219566 Method of measuring concentration of luminescent materials in turbid mediaExpiredJul 13, 99Apr 17, 01[A61B]
5970190 Grating-in-etalon polarization insensitive wavelength division multiplexing devicesExpiredDec 02, 97Oct 19, 99[G02B]

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