Patents by Inventor Robert L. Pomeroy

Robert L. Pomeroy 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).

  • Patent number: 4641566
    Abstract: Buried plastic mines or nonmetallic objects are located by spraying a suspected area with a leach of ionized metal and leaching the ionized metal into the soil to leave a metallic concentrate on an impervious object, such as a plastic mine. An array of detectors detects anomalies of concentrations of the metal, the concentrations being the result of the leach settling on or about the impervious object.
    Type: Grant
    Filed: June 22, 1983
    Date of Patent: February 10, 1987
    Inventor: Robert L. Pomeroy
  • Patent number: 4167794
    Abstract: Bristles have integrally formed flattened and extended distal ends which terminate in distal outer edges for cleaning teeth. The bristles are arranged in toothbrushes with edges aligned with a longitudinal direction of the toothbrush and with the edged bristles positioned along lateral areas of the toothbrush and extending angularly outward therefrom.
    Type: Grant
    Filed: April 26, 1978
    Date of Patent: September 18, 1979
    Inventor: Robert L. Pomeroy