Patents by Inventor Warren Won Choi

Warren Won Choi 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).

  • Publication number: 20200398880
    Abstract: A cart including a body that has a frame and a caster, and the frame including first and second bars. The cart further includes a basket, first and second couplers attached to the basket such that the first and second couplers removably couple in a snug fit with either the first and second bars respectively, or the second and first bars respectively. The cart further includes first and second latches attached to the basket such that the first and second latches are constructed to reversibly secure the first and second couplers respectively to either the first bar and the second bar, or the second bar and the first bar, and a latch-connecting means having a first end attached to the first latch and a second end attached to the second latch such that the latch-connecting means permits the second latch to be controlled by the first latch.
    Type: Application
    Filed: March 17, 2020
    Publication date: December 24, 2020
    Inventor: Warren Won CHOI
  • Patent number: 10870442
    Abstract: A cart including a body that has a frame and a caster, and the frame including first and second bars. The cart further includes a basket, first and second couplers attached to the basket such that the first and second couplers removably couple in a snug fit with either the first and second bars respectively, or the second and first bars respectively. The cart further includes first and second latches attached to the basket such that the first and second latches are constructed to reversibly secure the first and second couplers respectively to either the first bar and the second bar, or the second bar and the first bar, and a latch-connecting means having a first end attached to the first latch and a second end attached to the second latch such that the latch-connecting means permits the second latch to be controlled by the first latch.
    Type: Grant
    Filed: March 17, 2020
    Date of Patent: December 22, 2020
    Inventor: Warren Won Choi
  • Patent number: 10611390
    Abstract: A cart including a body that has a frame and a caster, and the frame including first and second bars. The cart further includes a basket, first and second couplers attached to the basket such that the first and second couplers removably couple in a snug fit with either the first and second bars respectively, or the second and first bars respectively. The cart further includes first and second latches attached to the basket such that the first and second latches are constructed to reversibly secure the first and second couplers respectively to either the first bar and the second bar, or the second bar and the first bar, and a latch-connecting means having a first end attached to the first latch and a second end attached to the second latch such that the latch-connecting means permits the second latch to be controlled by the first latch.
    Type: Grant
    Filed: September 20, 2019
    Date of Patent: April 7, 2020
    Inventor: Warren Won Choi
  • Publication number: 20160121651
    Abstract: A caster assembly includes a caster support leg, a protective shell, a wheel and an axle bolt. The protective shell has a caster support leg housing to receive the caster support leg therein and a sloped side, and the wheel has a tread, a hub and a bearing. The axle bolt secures the caster support leg and the protective shell to the wheel. The caster support leg housing has an upper base, a lower base, and a side wall. The upper base is substantially flat and parallel to the axis of the hub whereas the lower base extends flat from an end of the side wall to form a flat portion and then downwardly sloped toward an inlet of the caster support leg housing. In addition, the sloped side extends downwardly from the upper base toward the tread of the wheel.
    Type: Application
    Filed: October 31, 2014
    Publication date: May 5, 2016
    Inventor: Warren Won Choi
  • Patent number: D707414
    Type: Grant
    Filed: May 13, 2013
    Date of Patent: June 17, 2014
    Inventor: Warren Won Choi