Patents by Inventor Willem Potappel

Willem Potappel 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).

  • Office chair
    Publication number: 20070216131
    Abstract: An office chair includes a base and a height adjustable seat mounted to the base and having a front end. The base includes a pair of centrally positioned, laterally spaced apart drive wheels that are manually operated by a user or which are motorized.
    Type: Application
    Filed: March 14, 2006
    Publication date: September 20, 2007
    Applicant: REVAB B.V.
    Inventor: Willem Potappel