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Michael R. Harstad
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Westby, WI, US
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Patents Grants
last 30 patents
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Patent Grant
In-line incrementally manually adjustable rotary expansion valve
Patent number
5,402,821
Issue date
Apr 4, 1995
American Standard Inc.
Michael R. Harstad
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Patents Applications
last 30 patents
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Patent Application
Bearing protection for inverter-driven motor
Publication number
20070201995
Publication date
Aug 30, 2007
American Standard International Inc
Michael R. Harstad
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...