Patents by Inventor Harry D. Price

Harry D. Price 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: 3943838
    Abstract: There is provided by this invention a device for holding solid materials while affording passage of liquids through the device which has an element that is open at the top and at the bottom, there being attachable to the element at its bottom walls a plate which in operative position spans the four walls at the bottom and is closely positioned to, but out of contact, with the bottom edges of the four walls and thus affords a gap for the ingress and egress of liquids.
    Type: Grant
    Filed: August 7, 1974
    Date of Patent: March 16, 1976
    Inventor: Harry D. Price