Patents by Inventor William Francis Megargle

William Francis Megargle 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).

  • Termite bait station
    Patent number: 6195934
    Abstract: The invention provides a method and apparatus for controlling termites. The invention provides a tamper resistant bait station, which uses a cellulose bait impregnated with a slow acting toxicant and readily allows entry of termite.
    Type: Grant
    Filed: August 11, 1999
    Date of Patent: March 6, 2001
    Assignee: FMC Corporation
    Inventors: William Francis Megargle, John Ernest Milliner, Michael Dea Andis, P. David Simcox, James Bruce Ballard
  • Termite bait station
    Patent number: 5937571
    Abstract: The invention provides a method and apparatus for controlling termites. The invention provides a tamper resistant bait station, which uses a cellulose bait impregnated with a slow acting toxicant and readily allows entry of termite.
    Type: Grant
    Filed: January 21, 1997
    Date of Patent: August 17, 1999
    Assignee: FMC Corporation
    Inventors: William Francis Megargle, John Ernest Milliner, Michael Dea Andis, P. David Simcox, James Bruce Ballard
  • Returnable dry product container
    Patent number: 5671870
    Abstract: The invention provides a container for holding dry products. The container is a container portion mounted to a base. The container portion has sloping sides with a slope greater than the angle of repose of the dry product. The container and base form a box shape that allows maximum packing and stacking of containers. The invention minimizes hazardous waste and dust produced by conventional paper sacks used for storing pesticides.
    Type: Grant
    Filed: September 18, 1996
    Date of Patent: September 30, 1997
    Assignee: FMC Corporation
    Inventors: William Francis Megargle, Wayne Michael Bruhn, Steven Lee Clements