Patents by Inventor Mark B. Rothstein

Mark B. Rothstein 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).

  • Insulated underground antenna and method for utilizing same
    Patent number: 5057844
    Abstract: A passive inductively and capacitively loaded antenna is shown which is retained within a closed cel styrene foam enclosure. A method for detecting buried utility components utilizing such in combination with underground radar is also shown.
    Type: Grant
    Filed: March 19, 1990
    Date of Patent: October 15, 1991
    Inventor: Mark B. Rothstein