Patents by Inventor Leslie Paull

Leslie Paull 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).

  • Toner bin seal and sealing method
    Patent number: 5080745
    Abstract: A seal is adapted for temporarily but securely sealing a toner bin, and particularly, a toner bin having a container with a container opening, a sealing surface formed around the container opening, and a container cover structure connected to the container over the container opening so as to form a narrow slot exposed along one side of the toner bin at a slot opening. The seal includes a sealing sheet adapted to be inserted through the slot opening in an inserted position in which the sealing sheet completely covers the container opening and a portion of the container sealing surface around the entire perimeter of the container opening. The sealing sheet includes an adhesive coating positioned on a sealing side thereof, and has an insertion edge at one end and a trailing edge at its opposite end.
    Type: Grant
    Filed: May 29, 1990
    Date of Patent: January 14, 1992
    Inventor: Leslie Paull