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SIGMA SYSTEMS CORPORATION
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SAN DIEGO, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Method and apparatus for latent temperature control for a device un...
Patent number
7,483,769
Issue date
Jan 27, 2009
Sigma Systems Corporation
Robert T. Stewart
G05 - CONTROLLING REGULATING
Information
Patent Grant
Method and apparatus for latent temperature control for a device un...
Patent number
6,993,418
Issue date
Jan 31, 2006
Sigma Systems Corporation
Robert T. Stewart
G05 - CONTROLLING REGULATING
Information
Patent Grant
Method and apparatus for optimizing environmental temperature for a...
Patent number
6,449,534
Issue date
Sep 10, 2002
Sigma Systems Corporation
Robert T. Stewart
G05 - CONTROLLING REGULATING
Information
Patent Grant
Web processing mechanism for forming packages
Patent number
4,265,074
Issue date
May 5, 1981
Sigma Systems, Inc.
Daniel L. Reuter
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Packaging system with cantilevered web feed system accessible for c...
Patent number
4,262,470
Issue date
Apr 21, 1981
Sigma Systems, Inc.
Daniel L. Reuter
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Web feeding system for package forming machine
Patent number
4,262,474
Issue date
Apr 21, 1981
Sigma Systems, Inc.
Daniel L. Reuter
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
High speed batch counting apparatus
Patent number
4,180,153
Issue date
Dec 25, 1979
Sigma Systems, Inc.
Ravi C. Krishnan
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
77096863 - SIGMA SYSTEMS
Serial number
77096863
Registration number
3355104
Filing date
Feb 1, 2007
Sigma Systems, Inc.
35 - Advertising
Information
Trademark
76456985 - STREAMLINE
Serial number
76456985
Registration number
2931278
Filing date
Oct 7, 2002
Sigma Systems Corporation
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
75863824 - EXPERT IT SOLUTIONS
Serial number
75863824
Registration number
2883455
Filing date
Dec 3, 1999
Sigma Systems, Inc.
35 - Advertising
Information
Trademark
75758605 - PRODUCTIVE DENSITY
Serial number
75758605
Registration number
2500829
Filing date
Jul 23, 1999
Sigma Systems Corporation
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73642943 - SAM
Serial number
73642943
Registration number
1467096
Filing date
Feb 4, 1987
SIGMA SYSTEMS, INC.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73565397 - SS
Serial number
73565397
Filing date
Oct 28, 1985
SIGMA SYSTEMS, INC.
7 - Machines and machine tools
Information
Trademark
73390263 - S
Serial number
73390263
Registration number
1268305
Filing date
Sep 27, 1982
Sigma Systems Incorporated
42 - Scientific and technological services and research and design relating thereto
Information
Trademark
72274248 - TAB-GUN
Serial number
72274248
Registration number
862394
Filing date
Jun 19, 1967
SIGMA SYSTEMS CORPORATION
11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes