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Ian POWELL
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Ottawa, CA
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Patents Grants
last 30 patents
Information
Patent Grant
Retinal fundus surveillance method and apparatus
Patent number
8,807,751
Issue date
Aug 19, 2014
Annidis Health Systems Corp.
David Alexander Kahn
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Retinal fundus surveillance method and apparatus
Patent number
8,491,120
Issue date
Jul 23, 2013
Annidis Health Systems Corp.
David Alexander Kahn
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Wavelength dispersive fourier transform spectrometer
Patent number
7,317,535
Issue date
Jan 8, 2008
National Research Council of Canada
Pavel Cheben
G01 - MEASURING TESTING
Information
Patent Grant
Optical switch
Patent number
7,039,267
Issue date
May 2, 2006
JDS Uniphase Inc.
Thomas Ducellier
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Non-contact interference optical system for measuring the length of...
Patent number
6,002,483
Issue date
Dec 14, 1999
National Research Council of Canada
Ian Powell
G01 - MEASURING TESTING
Information
Patent Grant
Panoramic fish-eye imaging system
Patent number
5,631,778
Issue date
May 20, 1997
National Research Council of Canda
Ian Powell
G02 - OPTICS
Information
Patent Grant
D-shape laser beam projector
Patent number
5,629,808
Issue date
May 13, 1997
National Research Council of Canada
Ian Powell
G02 - OPTICS
Information
Patent Grant
Panoramic lens
Patent number
5,473,474
Issue date
Dec 5, 1995
National Research Council of Canada
Ian Powell
G02 - OPTICS
Information
Patent Grant
Optical projection system including a refractive lens assembly havi...
Patent number
5,161,062
Issue date
Nov 3, 1992
General Signal Corporation
David Shafer
G02 - OPTICS
Information
Patent Grant
Linear deiverging lens
Patent number
4,826,299
Issue date
May 2, 1989
Canadian Patents and Development Limited
Ian Powell
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
RETINAL FUNDUS SURVEILLANCE METHOD AND APPARATUS
Publication number
20130301004
Publication date
Nov 14, 2013
David Alexander KAHN
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
RETINAL FUNDUS SURVEILLANCE METHOD AND APPARATUS
Publication number
20110043756
Publication date
Feb 24, 2011
ANNIDIS HEALTH SYSTEMS CORP.
David Alexander Kahn
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Wavelength dispersive fourier transform spectrometer
Publication number
20060055935
Publication date
Mar 16, 2006
Pavel Cheben
G02 - OPTICS
Information
Patent Application
Optical switch
Publication number
20040184716
Publication date
Sep 23, 2004
Thomas Ducellier
H04 - ELECTRIC COMMUNICATION TECHNIQUE