Patents by Inventor Marek Antkowiak

Marek Antkowiak 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).

  • Dual directional coupler
    Publication number: 20070222539
    Abstract: A dual directional coupler includes a housing, a main conductor, a forward coupled conductor and a reverse coupled conductor. The main conductor, the forward coupled conductor and the reverse coupled conductor are arranged in parallel within the housing such that the main conductor and the forward coupled conductor define a first two section quarter wave directional coupler, and the main conductor and the reverse coupled conductor define a second two section quarter wave directional coupler.
    Type: Application
    Filed: March 24, 2006
    Publication date: September 27, 2007
    Inventor: Marek Antkowiak