Patents by Inventor Ashley A. Dennis

Ashley A. Dennis 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: 4357773
    Abstract: An improved display sign of the type in which interchangeable indicia can be mounted on both sides, and comprising a plurality of aluminum slats surrounded by an extruded aluminum frame. Each longitudinal edge of each slat is provided with a longitudinally extending hook to interlock with a similar hook on the next slat or, in the case of the top and bottom slats, with a projection integrally formed in a recess in the frame member. The slats are locked into the top and bottom frame members by means of a removable rod extending longitudinally thereof in a complementary shaped channel in the recess in the frame member.
    Type: Grant
    Filed: September 23, 1980
    Date of Patent: November 9, 1982
    Assignee: RLD Industries Ltd.
    Inventor: Ashley A. Dennis