Daniel O'Brien

Person

  • Mooresville, IN, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Wireless tandem alarm

    • Patent number 9,619,983
    • Issue date Apr 11, 2017
    • Mallory Sonalert Products, Inc.
    • Christopher M. Baldwin
    • G08 - SIGNALLING
  • Information Patent Grant

    Multi-sensory warning device

    • Patent number 9,165,440
    • Issue date Oct 20, 2015
    • Mallory Sonalert Products, Inc.
    • Christopher M. Baldwin
    • G08 - SIGNALLING
  • Information Patent Grant

    Wireless tandem alarm

    • Patent number 9,030,318
    • Issue date May 12, 2015
    • Mallory Sonalert Products, Inc.
    • Christopher M. Baldwin
    • G08 - SIGNALLING
  • Information Patent Grant

    Multi-sensory warning device

    • Patent number 8,797,176
    • Issue date Aug 5, 2014
    • Mallory Sonalert Products, Inc.
    • Christopher M. Baldwin
    • G08 - SIGNALLING
  • Information Patent Grant

    Audible signaling device

    • Patent number 7,880,593
    • Issue date Feb 1, 2011
    • Mallory Sonalert Products, Inc.
    • Christopher M. Baldwin
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Water resistant audible signal

    • Patent number 6,987,445
    • Issue date Jan 17, 2006
    • Mallory Sonalert Products, Inc.
    • George A. Burnett
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Piezoelectric siren driver circuit

    • Patent number 6,617,967
    • Issue date Sep 9, 2003
    • Mallory Sonalert Products, Inc.
    • Christopher Baldwin
    • G08 - SIGNALLING

Patents Applicationslast 30 patents

  • Information Patent Application

    Audible signaling device

    • Publication number 20090195367
    • Publication date Aug 6, 2009
    • Mallory Sonalert Products, Inc.
    • Christopher M. Baldwin
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    Piezoelectric siren driver circuit

    • Publication number 20020126001
    • Publication date Sep 12, 2002
    • Christopher M. Baldwin
    • G08 - SIGNALLING