Patents by Inventor Norman C. Randolph

Norman C. Randolph 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: 5488752
    Abstract: A heat conducting apparatus for wiper blades including a wiper arm assembly and a wiper blade which can be removably attached to the wiper arm assembly by means of a mounting member operably interacting with a plurality of blade retaining members. Integrally formed within the body of the wiper blade is an internal conduit substantially extending the linear length of the wiper blade from a first end to a second end thereof. Housed within the internal periphery of the internal conduit and extending therethrough is an electrical resistant heating element. Preferably, the heating element is rotatably wound in a plurality of cylindrical coils to provide sufficient electrical resistance without requiring heavy insulation or resistors to monitor the heat output temperature of the heating element.
    Type: Grant
    Filed: December 23, 1993
    Date of Patent: February 6, 1996
    Inventor: Norman C. Randolph