Patents by Inventor Leonard A. Hammond

Leonard A. Hammond 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).

  • Framing structure for a flexible pane
    Patent number: 4258517
    Abstract: An assembly for securing a one-piece flexible pane within an opening defined by a frame is disclosed. The assembly includes parallel edge channel members which receive side boundary portions of the pane by compressively gripping the boundary portions between opposed base and arch portions of the channel members. End portions of the pane are secured on a roller and/or pane guide members having ribs which are received by resilient elongated base strips mounted on the frame.
    Type: Grant
    Filed: August 15, 1978
    Date of Patent: March 31, 1981
    Inventor: Leonard A. Hammond