Patents by Inventor Marty K. Mathews

Marty K. Mathews 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).

  • Ergonomic chair
    Patent number: 5035466
    Abstract: An ergonomic chair of simplified design includes a seat support member, a backrest support member, and a base member to which the seat support member and the backrest support member are both attached. The base member engages the seat support member in a manner that permits movement of the seat support member between a forward seated position and a rearward seated position. The base member also engages the backrest support member in a manner that permits movement of the backrest support member independent of the movement of the seat support member in a first direction toward the base member and in a second direction away from the base member. The base member also serves to tilt the base member forwardly and rearwardly about a horizontal axis.
    Type: Grant
    Filed: April 3, 1989
    Date of Patent: July 30, 1991
    Assignee: Krueger International, Inc.
    Inventors: Marty K. Mathews, Jeffrey A. Weber