Patents by Inventor Marvin Wallace

Marvin Wallace 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).

  • Trench filling device
    Publication number: 20060265911
    Abstract: A device for filling an open trench with the dirt previously removed from the trench lying alongside the trench, using a skid-mounted frame having blades to initially fill the trench and leveling the dirt, followed by a compactor.
    Type: Application
    Filed: July 28, 2006
    Publication date: November 30, 2006
    Inventor: Marvin Wallace
  • Trench filling device
    Publication number: 20060029469
    Abstract: A device for filling an open trench with the dirt previously removed from the trench lying alongside the trench, using a skid-mounted frame having blades to initially fill the trench and leveling the dirt, followed by a compactor.
    Type: Application
    Filed: October 11, 2005
    Publication date: February 9, 2006
    Inventor: Marvin Wallace
  • Trench filling device
    Publication number: 20050196241
    Abstract: A device for filling an open trench with the dirt previously removed from the trench lying alongside the trench, using a skid-mounted frame having blades to initially fill the trench and leveling the dirt, followed by a compactor.
    Type: Application
    Filed: February 17, 2004
    Publication date: September 8, 2005
    Inventor: Marvin Wallace