Patents by Inventor Hui Chu Ko

Hui Chu Ko 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).

  • Swiveling chair
    Publication number: 20030164637
    Abstract: A swiveling chair is described. The swiveling chair has a back portion, a seat portion attached to the back portion, a swiveling component attached to the seat portion, a leg support attachment attached to the swiveling component, wherein the leg support attachment has at least three leg openings, and at least three chair legs attached to the leg support attachment, wherein the at least three legs attach to the leg support attachment at the at least three leg openings and wherein the at least three legs attach at an angle from a perpendicular line to the leg support attachment to a center line in each of the at least three legs and wherein the angle is between 35 and 55 degrees.
    Type: Application
    Filed: January 28, 2003
    Publication date: September 4, 2003
    Inventor: Hui Chu Ko
  • Swiveling chair
    Patent number: 6533354
    Abstract: A swiveling chair is described. The swiveling chair has a back portion, a seat portion attached to the back portion, a swiveling component attached to the seat portion, a leg support attachment attached to the swiveling component, wherein the leg support attachment has at least three leg openings, and at least three chair legs attached to the leg support attachment, wherein the at least three legs attach to the leg support attachment at the at least three leg openings and wherein the at least three legs attach at an angle from a perpendicular line to the leg support attachment to a center line in each of the at least three legs and wherein the angle is between 35 and 55 degrees.
    Type: Grant
    Filed: March 1, 2002
    Date of Patent: March 18, 2003
    Inventor: Hui Chu Ko
  • Swiveling chair
    Publication number: 20020084684
    Abstract: A swiveling chair is described. The swiveling chair has a back portion, a seat portion attached to the back portion, a swiveling component attached to the seat portion, a leg support attachment attached to the swiveling component, wherein the leg support attachment has at least three leg openings, and at least three chair legs attached to the leg support attachment, wherein the at least three legs attach to the leg support attachment at the at least three leg openings and wherein the at least three legs attach at an angle from a perpendicular line to the leg support attachment to a center line in each of the at least three legs and wherein the angle is between 35 and 55 degrees.
    Type: Application
    Filed: March 1, 2002
    Publication date: July 4, 2002
    Inventor: Hui Chu Ko