Patents by Inventor Logan E. Simmons

Logan E. Simmons 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).

  • Patent number: 4306332
    Abstract: An apparatus for suspending a traverse curtain on a common track assembly. The track assembly has opposed generally horizontally extending flanges. Mounted on the track is a carriage having spaced apart rollers, each of the rollers rotating about a respective and substantially vertical axis of rotation. A separate one of the rollers engages each flange for moving the carriage along the track. The rollers rotate in a plane parallel to the plane defined by the flanges. The rollers are located for preventing jamming of the carriage at curved portions of the track. Curtain supports are attached to the carriage for supporting a respective portion of the curtain.
    Type: Grant
    Filed: February 28, 1980
    Date of Patent: December 22, 1981
    Inventor: Logan E. Simmons