Patents by Inventor Rob Verhulsdonk

Rob Verhulsdonk 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).

  • Wheel chair
    Patent number: 6705629
    Abstract: A wheel chair having two rear wheels, two front wheels, a supporting frame, a seal and a backrest, where the seat can be moved from a sitting position to a driving position, and vice versa, and wherein the center of gravity of a user's body is moved rearwardly and downwardly when adjusting from the sitting position to the driving position.
    Type: Grant
    Filed: January 8, 2002
    Date of Patent: March 16, 2004
    Assignee: Mediquip Holland B.V.
    Inventors: Willem Michael Post, Rob Verhulsdonk
  • Wheel chair
    Publication number: 20020180176
    Abstract: A wheel chair having two rear wheels, two front wheels, a supporting frame, a seal and a backrest, where the seat can be moved from a sitting position to a driving position, and vice versa, and wherein the center of gravity of a user's body is moved rearwardly and downwardly when adjusting from the sitting position to the driving position.
    Type: Application
    Filed: January 8, 2002
    Publication date: December 5, 2002
    Inventors: Willem Michael Post, Rob Verhulsdonk