Patents by Inventor Leonard A. Mullen

Leonard A. Mullen 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).

  • Self-Adhesive Cold Pack
    Publication number: 20220151825
    Abstract: The Self-Adhesive Cold Pack has a sealed impervious pocket also known as the reaction chamber that contains a cooling agent or material, that when mixed cause an endothermic reaction to occur. Affixing tabs are attached lengthwise to the top and bottom edges of the pocket. The affixing tabs are designed to adhere the cold pack to the skin of the patient or person during treatment.
    Type: Application
    Filed: November 14, 2020
    Publication date: May 19, 2022
    Inventor: Gary Leonard Mullen
  • Gas charging of suspension damper
    Patent number: 5509514
    Abstract: A structure and method of gas charging a suspension damper is provided wherein a deflectable seal opens a gas charging passage solely under the application of externally applied gas pressure without requiring additional mechanical deflection device and wherein no charge-passage-specific machining operations of the piston rod are required to provide a gas charging passage around the seal.
    Type: Grant
    Filed: April 14, 1995
    Date of Patent: April 23, 1996
    Assignee: General Motors Corporation
    Inventors: Michael D. Allen, Claude H. Cheatham, Scott D. MC Coy, Ignacio J. Membrillera, Robert R. Miles, Leonard A. Mullen, Robert A. Neal, Jeffrey S. Stukenborg