Patents by Inventor Stanley Darwin Hall

Stanley Darwin Hall 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).

  • Sealed taped bags and sealed tape bag dispenser
    Patent number: 4113139
    Abstract: A chain of imbricated bags connected and supported by a carrier removably secured to the closed end of each of the bags is used for individually dispensing the leading bag when the carrier is moved in a direction which advances the sealed end of the bag ahead of the open end. A method and apparatus for dispensing such bags are also included.
    Type: Grant
    Filed: May 12, 1977
    Date of Patent: September 12, 1978
    Assignee: W. R. Grace & Co.
    Inventors: Lawrence James Berry, Stanley Darwin Hall
  • Package of bags
    Patent number: 4076122
    Abstract: This invention is directed to a chain of imbricated bags connected together and supported by carriers secured to opposite sides of the bags.
    Type: Grant
    Filed: October 26, 1976
    Date of Patent: February 28, 1978
    Assignee: W. R. Grace & Co.
    Inventor: Stanley Darwin Hall