Patents by Inventor Gil S. Hwang

Gil S. Hwang 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).

  • Ear-warmer
    Patent number: 4850055
    Abstract: An ear muff has a spring biased butterfly clip with a bonnet fitting over each leaf or wing of the clip. The bonnet may be made of any suitable soft and cushioning material such as plush, fur, wool, or the like. The softness of this material pads the ear so that the butterfly clip does not cut off circulation or pinch the ear. Each leaf of the clip has a plurality of teeth which are padded by the bonnet and which insure contact between the leaves at a plurality of points.
    Type: Grant
    Filed: May 21, 1987
    Date of Patent: July 25, 1989
    Inventor: Gil S. Hwang