Patents by Inventor Edmund T. Lisi

Edmund T. Lisi 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: 6041977
    Abstract: A dispensing system for dispensing decorating materials such as frosting incorporates a dispensing tube having the material to be dispensed and a water-operated piston therein. Application of water under pressure to the dispensing tube results in the dispensing of the material through a decorating tip. The water pressure applied to the dispensing tube is controlled and regulated through the utilization of a control valve assembly having a flow stop valve and an on/off valve. Water applied to the control valve assembly is pressure regulated and filtered.
    Type: Grant
    Filed: July 23, 1998
    Date of Patent: March 28, 2000
    Inventor: Edmund T. Lisi