Patents by Inventor Delbert J. Graf

Delbert J. Graf 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).

  • Bagger scale
    Patent number: 6894232
    Abstract: The invention is a device and means that reduces the amount of overloading and under-loading of plastic grocery bags. A bag rack has a scale attached to its base with the scale connected to an indicator. The plastic bag rests on the scale which weighs the contents of the bag as they are being added. The indicator checks the weight of the contents of the bag. If the contents are under the targeted weight an indicator is lit, when the targeted weigh is reached another indicator is lit, and if a “not to exceed weight” is reached a warning indicator is lit.
    Type: Grant
    Filed: August 12, 2002
    Date of Patent: May 17, 2005
    Assignee: Mettler-Toledo
    Inventors: Dana D. Waggoner, Delbert J. Graf
  • Bagger scale
    Publication number: 20040026134
    Abstract: The invention is a device and means that reduces the amount of overloading and under-loading of plastic grocery bags. A bag rack has a scale attached to its base with the scale connected to an indicator. The plastic bag rests on the scale which weighs the contents of the bag as they are being added. The indicator checks the weight of the contents of the bag. If the contents are under the targeted weight an indicator is lit, when the targeted weigh is reached another indicator is lit, and if a “not to exceed weight” is reached a warning indicator is lit.
    Type: Application
    Filed: August 12, 2002
    Publication date: February 12, 2004
    Inventors: Dana D. Waggoner, Delbert J. Graf