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Kevin W. Kiefer
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Eden Prairie, MN, US
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Patents Grants
last 30 patents
Information
Patent Grant
Air return bulkhead for temperature controlled trailers
Patent number
6,296,561
Issue date
Oct 2, 2001
Thermo King Corporation
David B. Ziegler
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Shipping crate and air return bulkhead for a transport refrigeratio...
Patent number
5,427,237
Issue date
Jun 27, 1995
Thermo King Corporation
Kevin W. Kiefer
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Refrigerated truck having a body movable relative to a chassis
Patent number
4,923,237
Issue date
May 8, 1990
Thermo King Corporation
Kevin W. Kiefer
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Container refrigeration unit
Patent number
4,257,240
Issue date
Mar 24, 1981
Thermo King Corporation
David A. Christiansen
B60 - VEHICLES IN GENERAL