Patents by Inventor Elliott E. Blank

Elliott E. Blank 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).

  • Toilet tank chemicals dispenser
    Patent number: D249355
    Type: Grant
    Filed: February 22, 1977
    Date of Patent: September 12, 1978
    Assignee: Shell Oil Company
    Inventor: Elliott E. Blank
  • Combined bottle and closure
    Patent number: D264309
    Type: Grant
    Filed: October 29, 1979
    Date of Patent: May 11, 1982
    Assignee: The Clorox Company
    Inventors: Richard L. Weckman, Elliott E. Blank
  • Dispensing closure
    Patent number: D265060
    Type: Grant
    Filed: September 13, 1979
    Date of Patent: June 22, 1982
    Assignee: The Clorox Company
    Inventor: Elliott E. Blank