Patents by Inventor Daryl L. Peterson

Daryl L. Peterson 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).

  • Interlocking retaining wall apparatus
    Patent number: 5326193
    Abstract: An interlocking retaining wall apparatus includes a collection of plural, annular structures which frictionally interlock with one another to form a wall. The structures making up the wall have a generally truncated, right conical exterior surface and a generally right, cylindrical interior surface. The structures are stacked, one atop the other, to form a wall of desired height. A variety of sizes of structures are provided to meet the needs of the individual wall which is being constructed.
    Type: Grant
    Filed: February 25, 1993
    Date of Patent: July 5, 1994
    Inventor: Daryl L. Peterson
  • Planter
    Patent number: D355145
    Type: Grant
    Filed: February 12, 1993
    Date of Patent: February 7, 1995
    Inventor: Daryl L. Peterson
  • Planter
    Patent number: D369315
    Type: Grant
    Filed: February 12, 1993
    Date of Patent: April 30, 1996
    Inventor: Daryl L. Peterson
  • Planter
    Patent number: D369316
    Type: Grant
    Filed: February 12, 1993
    Date of Patent: April 30, 1996
    Inventor: Daryl L. Peterson