Patents by Inventor Ming-Hui Ho

Ming-Hui Ho 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).

  • Blade of a paper shredder
    Patent number: 6513740
    Abstract: A paper shredder has two rotary cutters each having multiple blades spaced apart from each other. Each blade has a first cutting blade with multiple cutting edges and a second cutting blade with multiple cutting edges alternate with respect to the cutting edges of the first cutting blade so that when shredding the paper, only one cutting edge engages the paper.
    Type: Grant
    Filed: January 24, 2001
    Date of Patent: February 4, 2003
    Inventor: Ming-Hui Ho
  • Paper shredder
    Publication number: 20020100827
    Abstract: A paper shredder has two rotary cutters driven by a decelerating device and a casing encased the two rotary cutters and the decelerating device and having a guiding track defined between the two rotary cutters to allow the stuck paper to be directed directly into the can mounted below the two rotary cutters without damaging any mechanism.
    Type: Application
    Filed: January 30, 2001
    Publication date: August 1, 2002
    Inventor: Ming-Hui Ho
  • Blade of a paper shredder
    Publication number: 20020096584
    Abstract: A paper shredder has two rotary cutters each having multiple blades spaced apart from each other. Each blade has a first cutting blade with multiple cutting edges and a second cutting blade with multiple cutting edges alternate with respect to the cutting edges of the first cutting blade so that when shredding the paper, only one cutting edge engages the paper.
    Type: Application
    Filed: January 24, 2001
    Publication date: July 25, 2002
    Inventor: Ming-Hui Ho
  • Paper shredder
    Patent number: D437343
    Type: Grant
    Filed: March 20, 2000
    Date of Patent: February 6, 2001
    Inventor: Ming-Hui Ho
  • Paper shredder
    Patent number: D446543
    Type: Grant
    Filed: March 20, 2000
    Date of Patent: August 14, 2001
    Inventor: Ming-Hui Ho
  • Paper shredder
    Patent number: D449850
    Type: Grant
    Filed: January 8, 2001
    Date of Patent: October 30, 2001
    Inventor: Ming-Hui Ho
  • Paper shredder
    Patent number: D454907
    Type: Grant
    Filed: August 21, 2001
    Date of Patent: March 26, 2002
    Inventor: Ming-Hui Ho
  • Paper shredder
    Patent number: D455170
    Type: Grant
    Filed: April 30, 2001
    Date of Patent: April 2, 2002
    Inventor: Ming-Hui Ho
  • Paper shredder
    Patent number: D455171
    Type: Grant
    Filed: July 17, 2001
    Date of Patent: April 2, 2002
    Inventor: Ming-Hui Ho