Patents by Inventor John Howard Batchelor

John Howard Batchelor 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).

  • Vacuumizing closure for vacuum pack containers
    Patent number: 4083468
    Abstract: A reclosure device for vacuum pack containers and the like, comprised of a diaphragm that seals with the opened end of the container and actuating means therefor to position it axially outward from an initially inward extension into the container, thereby drawing a partial vacuum upon the contents within the said container.
    Type: Grant
    Filed: May 20, 1977
    Date of Patent: April 11, 1978
    Inventor: John Howard Batchelor