Patents by Inventor Robert J. Petrou

Robert J. Petrou 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: 5628858
    Abstract: A method of labeling reusable containers is disclosed. A placard having a release coating on one side is adhesively secured to the container. The placard is transparent with instructional printing applied to one surface. Pressure-sensitive labels are placed on the exposed surface of the placard. The labels contain indicia relating to the status of the container. When the status of the container changes, the label is removed and a new label is substituted on the placard.
    Type: Grant
    Filed: May 18, 1995
    Date of Patent: May 13, 1997
    Assignee: MPT, Inc.
    Inventor: Robert J. Petrou
  • Patent number: 5417790
    Abstract: A method of labeling reusable containers is disclosed. A placard having a release coating on one side is adhesively secured to the container. The placard is transparent with instructional printing applied to one surface. Pressure-sensitive labels are placed on the exposed surface of the placard. The labels contain indicia relating to the status of the container. When the status of the container changes, the label is removed and a new label is substituted on the placard.
    Type: Grant
    Filed: August 19, 1994
    Date of Patent: May 23, 1995
    Assignee: Michael R. Kennedy
    Inventor: Robert J. Petrou
  • Patent number: RE37164
    Abstract: A method of labeling reusable containers is disclosed. A placard having a release coating on one side is adhesively secured to the container. The placard is transparent with instructional printing applied to one surface. Pressure-sensitive labels are placed on the exposed surface of the placard. The labels contain indicia relating to the status of the container. When the status of the container changes, the label is removed and a new label is substituted on the placard.
    Type: Grant
    Filed: May 11, 1999
    Date of Patent: May 8, 2001
    Inventor: Robert J. Petrou