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Northfield Freezing Systems, Inc.
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Northfield, MN, US
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Patents Grants
last 30 patents
Information
Patent Grant
Airflow and defrosting system for refrigeration systems and apparatus
Patent number
5,520,006
Issue date
May 28, 1996
Northfield Freezing Systems, Inc.
Richard T. Middleton
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Conveyor belt with asymmetric edge links
Patent number
5,501,319
Issue date
Mar 26, 1996
Ashworth Bros., Inc.
John Larson
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
74030466 - NORTHFIELD
Serial number
74030466
Registration number
1646524
Filing date
Feb 20, 1990
Northfield Freezing Systems, Inc.
11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes