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OTTAWA, CA
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Patents Grants
last 30 patents
Information
Patent Grant
Perimeter intrusion detection system with block ranging capabilities
Patent number
4,887,069
Issue date
Dec 12, 1989
Control Data Canada Limited
Melvin C. Maki
G08 - SIGNALLING
Information
Patent Grant
Intrusion detection system
Patent number
4,879,544
Issue date
Nov 7, 1989
Control Data Canada Limited
Melvin C. Maki
G08 - SIGNALLING
Information
Patent Grant
Leaky coaxial cable providing inductive coupling by eliminating rad...
Patent number
4,760,362
Issue date
Jul 26, 1988
Control Data Canada Limited
Melvin C. Maki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Algorithm for radar coordinate conversion in digital scan converters
Patent number
4,697,185
Issue date
Sep 29, 1987
Her Majesty the Queen in right of Canada, as represented by the Minister of N...
David M. Thomas
G01 - MEASURING TESTING
Information
Patent Grant
Method of grading radiating transmission lines
Patent number
4,432,193
Issue date
Feb 21, 1984
501 Control Data Canada, Ltd.
Melvin C. Maki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Intrusion detection system using leaky transmission lines
Patent number
4,419,659
Issue date
Dec 6, 1983
Control Data Canada, Ltd.
Robert K. Harman
G08 - SIGNALLING
Information
Patent Grant
Method and apparatus for demultiplexing electrical signals
Patent number
4,356,562
Issue date
Oct 26, 1982
Control Data Canada, Ltd.
Keith G. Wright
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method of producing coaxial cable
Patent number
4,300,338
Issue date
Nov 17, 1981
Control Data Canada, Ltd.
Robert K. Harman
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Arcuate optical scanning for N-S movement in a map display navigati...
Patent number
3,997,255
Issue date
Dec 14, 1976
Control Data Canada, Ltd.
Hendrik Van Oosten
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
73757809 - GUIDAR
Serial number
73757809
Registration number
1539165
Filing date
Oct 17, 1988
Control Data Canada, Ltd.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73616061 - DYNIS
Serial number
73616061
Registration number
1480762
Filing date
Aug 22, 1986
CONTROL DATA CANADA, LTD.
16 - Paper, cardboard and goods made from these materials, not included in other classes
Information
Trademark
73592698 - DAVID
Serial number
73592698
Registration number
1441079
Filing date
Apr 11, 1986
Control Data Canada, Ltd.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73346815 - SPIRAX
Serial number
73346815
Registration number
1233384
Filing date
Jan 22, 1982
Control Data Canada, Ltd.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments