TREA

Simon Ha

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  • Aurora, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Multi-frequency fire alarm sounder
    • Patent number 7,501,935
    • Issue date Mar 10, 2009
    • Honeywell International Inc.
    • Manley S. Keeler
    • B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    Multi-Frequency Fire Alarm Sounder
    • Publication number 20080048841
    • Publication date Feb 28, 2008
    • Honeywell International, Inc.
    • Manley S. Keeler
    • B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
  • Information Patent Application

    Multi-frequency fire alarm sounder
    • Publication number 20060139152
    • Publication date Jun 29, 2006
    • Honeywell International, Inc.
    • Manley S. Keeler
    • B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL