Patents by Inventor Hayward Gosse Spangler

Hayward Gosse Spangler 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: 4028755
    Abstract: Wax moth larvae are removed from an enclosure infested with the same by a method wherein the enclosure is tapped with a hard object at a frequency and with a force sufficient to cause the larvae to move to the surface of the enclosure. The emerged larvae are then separated from the surface.
    Type: Grant
    Filed: April 30, 1976
    Date of Patent: June 14, 1977
    Assignee: The United States of America as represented by the Secretary of Agriculture
    Inventors: Hayward Gosse Spangler, Norbert Mariner Kauffeld, Charles Dean Owens