Patents by Inventor Mark Karpinski

Mark Karpinski 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).

  • Combination brake valve module
    Patent number: 5046786
    Abstract: A pressurized fluid control module is provided for a tractor-trailer brake system to effect the appropriate braking function.
    Type: Grant
    Filed: June 12, 1990
    Date of Patent: September 10, 1991
    Assignee: Midland Brake, Inc.
    Inventors: Jeffery S. Johnston, Michael G. Smith, Mark Karpinski