Patents by Inventor Hal J. Thompson

Hal J. Thompson 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: 5330804
    Abstract: There is provided a synthetic wood article formed as an irregularly shaped substrate. The substrate is made from at least one plastic and preferably from post-consumer plastics such as, for example, from disposed of PET bottles or PE trash bags. The article may have the appearance of a wood chip, bark, shredded wood, or sawdust. The substrate is formed by chipping, shredding, or pulverizing a solid piece of plastic which has been extruded. The substrate may have multi layers thereby presenting a wood grain appearance. A plurality of such articles may be used as a synthetic wood mulch.
    Type: Grant
    Filed: March 27, 1991
    Date of Patent: July 19, 1994
    Assignee: Earth Trends, Inc.
    Inventors: John G. Allison, Hal J. Thompson