Patents by Inventor Paul S. Demko

Paul S. Demko 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).

  • Advanced braking light system
    Patent number: 6054919
    Abstract: A variable brake light system is provided including a plurality of brake lights situated on a rear of the vehicle. Each brake light has a unique size. A plunger mechanism is included for actuating the brake lights. In operation, lights of increasing size are illuminated as a brake pedal is increasingly depressed.
    Type: Grant
    Filed: July 16, 1998
    Date of Patent: April 25, 2000
    Inventor: Paul S. Demko
  • Microwave landing system antenna
    Patent number: 4072952
    Abstract: A VHF/UHF communications blade type antenna additionally having microwave nding system (MLS) antenna elements mounted thereon and having the microwave feed components integral therewith to provide a composite structure adapted to function both as a communications and as a navigation antenna. The antenna is particularly adapted for use with aircraft which is to be retrofitted to include MLS capability.
    Type: Grant
    Filed: October 4, 1976
    Date of Patent: February 7, 1978
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventor: Paul S. Demko