Patents by Inventor Bobby R. Lunsford

Bobby R. Lunsford 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: 4327457
    Abstract: A device for cleaning a window surface and method of making same are provided wherein the device comprises a pair of wiping members disposed in spaced apart relation parallel to a longitudinal axis thereof and a cleaning member disposed between the wiping members; and, the cleaning member comprises a substantially semicylindrical portion which is adapted to engage the window surface roughly midway between the wiping members during cleaning movements of the device in either of opposed directions roughly perpendicular to its longitudinal axis with the semicylindrical portion being made of a yieldable resilient material and providing a substantially rectangular cleaning surface upon being compressed against the window surface.
    Type: Grant
    Filed: August 20, 1980
    Date of Patent: May 4, 1982
    Assignee: Dayco Corporation
    Inventor: Bobby R. Lunsford