Patents by Inventor Mark A. Roland

Mark A. Roland 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: 5666445
    Abstract: An easy opening plastic bag includes a plastic front panel, a plastic rear panel, and plastic left and right end panels coupled to the front and rear panels. A plastic gusset is formed at the top of the bag and is joined to the front, rear, left, and right panels. A first frangible portion is disposed near a top of the front panel, and a second frangible portion is disposed near a top of the rear panel. The first and second frangible portions lie in a plane which allows a portion of the bag to rotate away from the remainder of the bag about an axis parallel to the plane. A third frangible portion is provided in the bag and extends substantially perpendicular to the plane of the first and second frangible portions.
    Type: Grant
    Filed: June 14, 1994
    Date of Patent: September 9, 1997
    Inventors: Daniel J. Conrad, Mark A. Roland
  • Patent number: 5655843
    Abstract: An easy opening plastic bag includes a plastic front panel, a plastic rear panel, and plastic left and right end panels coupled to the front and rear panels. A plastic gusset is formed at the top of the bag and is joined to the front, rear, left, and right panels. A first frangible portion is disposed near a top of the front panel, and a second frangible portion is disposed near a top of the rear panel. The first and second frangible portions lie in a plane which allows a portion of the bag to rotate away from the remainder of the bag about an axis parallel to the plane. A third frangible portion is provided in the bag and extends substantially perpendicular to the plane of the first and second frangible portions.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: August 12, 1997
    Assignee: Paramount Packaging Corporation
    Inventors: Daniel J. Conrad, Mark A. Roland