Patents by Inventor Yuan-Hua Wang

Yuan-Hua Wang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 7446276
    Abstract: An improved button actuation assembly for activating a switch on hand held devices such as portable barcode readers has an improved structure that absorbs and dissipates the force exerted on the button. The improved structure thus protects the switch and the button actuation assembly itself from being damaged by excessive force such as from an impact shock caused by dropping or misuse.
    Type: Grant
    Filed: April 16, 2008
    Date of Patent: November 4, 2008
    Assignee: Metrologic Instruments, Inc.
    Inventors: George A. Plesko, Yuan-Hua Wang
  • Publication number: 20080190750
    Abstract: An improved button actuation assembly for activating a switch on hand held devices such as portable barcode readers has an improved structure that absorbs and dissipates the force exerted on the button. The improved structure thus protects the switch and the button actuation assembly itself from being damaged by excessive force such as from an impact shock caused by dropping or misuse.
    Type: Application
    Filed: April 16, 2008
    Publication date: August 14, 2008
    Applicant: METROLOGIC INSTRUMENTS, INC.
    Inventors: George A. Plesko, Yuan-Hua Wang
  • Patent number: 7381914
    Abstract: An improved button actuation assembly for activating a switch on hand held devices such as portable barcode readers has an improved structure that absorbs and dissipates the force exerted on the button. The improved structure thus protects the switch and the button actuation assembly itself from being damaged by excessive force such as from an impact shock caused by dropping or misuse.
    Type: Grant
    Filed: November 16, 2006
    Date of Patent: June 3, 2008
    Assignee: Metrologic Instruments, Inc.
    Inventors: George A. Plesko, Yuan-Hua Wang
  • Publication number: 20080116280
    Abstract: An improved button actuation assembly for activating a switch on hand held devices such as portable barcode readers has an improved structure that absorbs and dissipates the force exerted on the button. The improved structure thus protects the switch and the button actuation assembly itself from being damaged by excessive force such as from an impact shock caused by dropping or misuse.
    Type: Application
    Filed: November 16, 2006
    Publication date: May 22, 2008
    Applicant: METROLOGIC INSTRUMENTS, INC.
    Inventors: GEORGE A. PLESKO, Yuan-Hua Wang