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Hansen Technologies Corp.
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Downers Grove, IL, US
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Patents Grants
last 30 patents
Information
Patent Grant
Float switch assembly for refrigeration system
Patent number
4,647,740
Issue date
Mar 3, 1987
Hansen Technologies Corp.
Charles C. Hansen
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
78698565 - HANSEN
Serial number
78698565
Registration number
3299272
Filing date
Aug 23, 2005
Hansen Technologies Corp.
42 - Scientific and technological services and research and design relating thereto