Patents by Inventor Henry L. Knowles

Henry L. Knowles 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).

  • Multiple bag dispenser
    Patent number: 4417669
    Abstract: A multiple bag dispenser includes a plurality of nested bags having an exposed inner bag. Each bag includes a detachable lip and a bag body having a mouth which is coupled to the lip. A retaining ring assembly grips the lips of the nested bags and maintains an opening at the mouth of each bag. A tearing pin and a plurality of securing pins couple the nested bags to the retaining ring assembly and permit the bag lip to be detached from the exposed bag to permit removal of the exposed bag from the retaining ring assembly.
    Type: Grant
    Filed: November 30, 1981
    Date of Patent: November 29, 1983
    Inventors: Henry L. Knowles, James P. Winningham