Patents by Inventor Mehdian Lotfi

Mehdian Lotfi 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).

  • Height adjustment mechanism for chair components
    Patent number: 5695249
    Abstract: An improved height adjustment mechanism for vertically positioning and releasably locking one chair component relative to another chair component. The mechanism generally used for vertically adjusting position of chair backrest and armrests. The improved height adjustment mechanism comprises a J-bar and a slidably interlocking channel component having a slot with multiple vertical lock notches. A latch bar is pivotally mounted on the J-bar having a latch tip which releasably engages lock notches on the channel component.
    Type: Grant
    Filed: June 24, 1996
    Date of Patent: December 9, 1997
    Inventor: Mehdian Lotfi