Patents by Inventor Hwa Yong Seo

Hwa Yong Seo 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).

  • Shredder and method of shredding paper
    Patent number: 8403246
    Abstract: Provided is a paper shredder. The paper shredder includes a paper support part including a first paper support part having a first length, a second paper support part having a second length greater than the first length, and a paper feed slot between the first paper support part and the second paper support part, a first roller in which a portion thereof is exposed upward from the second paper support part through an opening defined in the second paper support part, a second roller in which a portion thereof is exposed upward from the first paper support part through an opening defined in the first paper support part, a cutter disposed below the paper feed slot to shred an introduced paper, and a motor operating the first roller, the second roller, and the cutter. The first paper support part and the second paper support part are reduced in height as being adjacent to the paper feed slot.
    Type: Grant
    Filed: July 20, 2010
    Date of Patent: March 26, 2013
    Assignee: Royal Sovereign International, Inc.
    Inventors: Hwa Yong Seo, Hak Hyun Kim, Dae Seung Woo
  • SHREDDER AND METHOD OF SHREDDING PAPER
    Publication number: 20120018554
    Abstract: Provided is a paper shredder. The paper shredder includes a paper support part including a first paper support part having a first length, a second paper support part having a second length greater than the first length, and a paper feed slot between the first paper support part and the second paper support part, a first roller in which a portion thereof is exposed upward from the second paper support part through an opening defined in the second paper support part, a second roller in which a portion thereof is exposed upward from the first paper support part through an opening defined in the first paper support part, a cutter disposed below the paper feed slot to shred an introduced paper, and a motor operating the first roller, the second roller, and the cutter. The first paper support part and the second paper support part are reduced in height as being adjacent to the paper feed slot.
    Type: Application
    Filed: July 20, 2010
    Publication date: January 26, 2012
    Applicant: Royal Sovereign International, Inc.
    Inventors: Hwa Yong Seo, Hak Hyun Kim, Dae Seung Woo