Patents by Inventor Een-Ya Yeh

Een-Ya Yeh 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).

  • Hairdressing scissors for cutting small amount of hair or special style
    Patent number: 6385851
    Abstract: A pair of hairdressing scissors comprises first and second scissor elements pivotally connected together, each scissor element including a blade portion. The blade portion of the second scissor element has a cutting edge. The blade portion of the first scissor element includes a plurality of teeth that are spaced by an interval. Each tooth on the second scissor element includes a distal end having a first side that faces the cutting edge of the first scissor element and a second side that faces away from the cutting edge. The first side of the distal end of each tooth includes a distal first guide face and a second guide face extended from the distal first guide face. The distal first guide face has a slope smaller than that of the second guide face. The second guide face includes a cutting edge that cooperates with the cutting edge of the second scissor element for cutting hair. A distal beveled face and a third guide face are formed between the first side and the second side of the distal end.
    Type: Grant
    Filed: May 11, 2001
    Date of Patent: May 14, 2002
    Inventor: Een-Ya Yeh