TREA

RSM TECHNOLOGIES LIMITED

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  • Kowloon, HK
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Patents Grantslast 30 patents

  • Information Patent Grant

    Sound attenuating structures
    • Patent number 7,395,898
    • Issue date Jul 8, 2008
    • RSM Technologies Limited
    • Zhi Yu Yang
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Acoustic attenuation materials
    • Patent number 7,249,653
    • Issue date Jul 31, 2007
    • RSM Technologies Limited
    • Ping Sheng
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

  • Information Patent Application

    Sound attenuating structures
    • Publication number 20050194209
    • Publication date Sep 8, 2005
    • RSM TECHNOLOGIES LIMITED
    • Zhi Yu Yang
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    Acoustic attenuation materials
    • Publication number 20050000751
    • Publication date Jan 6, 2005
    • RSM Technologies Limited
    • Ping Sheng
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS

Trademarklast 30 trademarks