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Energy-attenuating polyurethanes
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Patent number 4,722,946
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Issue date Feb 2, 1988
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Polymer Dynamics (Delaware), Ltd.
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Fritz Hostettler
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Hair curler device
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Patent number 4,577,647
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Issue date Mar 25, 1986
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Mercury Foam Corporation
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Larry A. Fenster
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A45 - HAND OR TRAVELLING ARTICLES
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Liquid hydroxy-terminated polyesters
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Patent number 3,957,753
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Issue date May 18, 1976
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Inter-Polymer Corporation
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Fritz Hostettler
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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