Patents by Inventor You-Ching Hsu

You-Ching Hsu 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).

  • Publication number: 20040190288
    Abstract: A multi-purpose flashlight functioning for self-defense, fire extinguishing, alarm and lighting all in one, is comprised of a body, an adapter and an extension; a light projection section adapted with a reflective board being provided at the head of the body; a light source being provided at the rear end of the body; a buzzer being provided at the terminal of the body help and alarm; light source push-button switch and buzzer switch being provided on the body; an adapter being provided
    Type: Application
    Filed: March 27, 2003
    Publication date: September 30, 2004
    Inventor: You-Ching Hsu