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Hillar Kassfeldt
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Burlington, CA
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last 30 patents
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Patent Grant
Method and device for determining rheological properties
Patent number
5,321,974
Issue date
Jun 21, 1994
Radian Corporation
Raymond T. Hemmings
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Grant
Flasher devices for lamps
Patent number
4,258,292
Issue date
Mar 24, 1981
Tridon Limited
Hillar Kassfeldt
B60 - VEHICLES IN GENERAL