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Ottawa, CA
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Patents Grants
last 30 patents
Information
Patent Grant
Electrolytic cleaning and refurbishing of grinding wheels
Patent number
5,269,889
Issue date
Dec 14, 1993
National Research Council of Canada/Conseil national de recherches Canada
Gavin McGregor
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Aromatic polysulfone compounds and their manufacture
Patent number
4,999,415
Issue date
Mar 12, 1991
National Research Council of Canada/Conseil de Recherches Canada
Michael D. Guiver
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method of manufacturing halogenated aromatic polysulfone compounds...
Patent number
4,996,271
Issue date
Feb 26, 1991
National Research Council of Canada/Conseil de Recherches Canada
Michael D. Guiver
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Non-pressure-dependancy infrared absorption spectra recording, samp...
Patent number
4,980,551
Issue date
Dec 25, 1990
National Research Council Canada Conseil national de recherches Canada
Patrick T. T. Wong
G01 - MEASURING TESTING
Information
Patent Grant
Dehalogenation of halogenated aromatic compounds
Patent number
4,973,783
Issue date
Nov 27, 1990
National Research Council Canada/Conseil National de Recherches Canada
David Griller
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method and system for increasing the effective dynamic range of a p...
Patent number
4,967,066
Issue date
Oct 30, 1990
National Research Council Canada/Conseil National de Recherches Canada
J. Angelo Beraldin
G01 - MEASURING TESTING
Information
Patent Grant
Track wheel
Patent number
4,957,332
Issue date
Sep 18, 1990
National Research Council Canada/Conseil National de Recherches Canada
Joost Batelaan
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
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last 30 patents
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