TREA

Charles A. Heiberger

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  • Princeton, NJ, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Sound reproduction compositions
    • Patent number 3,975,321
    • Issue date Aug 17, 1976
    • Air Products and Chemicals, Inc.
    • Charles A. Heiberger
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...