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Alvin M. Berg
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Roseville, MN, US
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last 30 patents
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Patent Grant
Carboxylic acid functional polyurethane polymers and blends thereof...
Patent number
6,139,966
Issue date
Oct 31, 2000
Imation Corp.
James G. Carlson
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Patent Grant
Video recording tapes suitable for high speed contact duplication
Patent number
5,705,253
Issue date
Jan 6, 1998
Minnesota Mining and Manufacturing Company
Alvin M. Berg
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...