Patents by Inventor Roger D. Brown

Roger D. Brown 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).

  • Standing aid for use with a checkout counter
    Patent number: 5303981
    Abstract: A standing aid for use with a checkout counter to assist an operator of the checkout counter while standing above a floor, comprising a base frame adapted to be mounted above the floor adjacent the checkout counter, a buttocks cushion adapted for engaging the buttocks of the operator of the checkout counter while standing, and support structure mounted to the base frame for movably supporting the buttocks cushion above the floor in a plurality of vertical positions and in a plurality of lateral positions, the buttocks cushion being pivotally mounted to the support structure.
    Type: Grant
    Filed: April 5, 1993
    Date of Patent: April 19, 1994
    Assignee: Madix Inc.
    Inventors: William D. Wilder, Roger D. Brown
  • Standing aid for use with a checkout counter
    Patent number: 5199763
    Abstract: A standing aid for use with a checkout counter to assist an operator of the checkout counter while standing above a floor, comprising a base frame adapted to be mounted above the floor adjacent the checkout counter, a buttocks cushion adapted for engaging the buttocks of the operator of the checkout counter while standing, and support structure mounted to the base frame for movably supporting the buttocks cushion above the floor in a plurality of vertical positions and in a plurality of lateral positions, the buttocks cushion being pivotally mounted to the support structure.
    Type: Grant
    Filed: May 3, 1991
    Date of Patent: April 6, 1993
    Assignee: Madix, Inc.
    Inventors: William D. Wilder, Roger D. Brown
  • Urethane oligomers and polyurethanes
    Patent number: 5175231
    Abstract: A urethane is formed in a new way, without requiring the use of isocyanates. The urethane is formed by reacting a compound containing a plurality of cyclocarbonate groups with a diamine in which the two amine groups have different reactivities with cyclocarbonate, so as to form a urethane oligomer with amine end groups. The urethane oligomer can then be reacted in several different ways to form polyurethane.
    Type: Grant
    Filed: April 17, 1992
    Date of Patent: December 29, 1992
    Assignee: Fiber-Cote Corporation
    Inventors: Leonid Rappoport, Roger D. Brown