Patents by Inventor Cloyce D. Harrison

Cloyce D. Harrison 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).

  • Retaining wall block
    Patent number: D340772
    Type: Grant
    Filed: August 27, 1992
    Date of Patent: October 26, 1993
    Assignee: CSTW, Inc.
    Inventor: Cloyce D. Harrison
  • Retaining wall block
    Patent number: D340776
    Type: Grant
    Filed: August 27, 1992
    Date of Patent: October 26, 1993
    Assignee: CSTW, Inc.
    Inventor: Cloyce D. Harrison
  • Retaining wall block
    Patent number: D340997
    Type: Grant
    Filed: August 27, 1992
    Date of Patent: November 2, 1993
    Assignee: CSTW, Inc.
    Inventor: Cloyce D. Harrison
  • Retaining wall block
    Patent number: D342580
    Type: Grant
    Filed: August 27, 1992
    Date of Patent: December 21, 1993
    Assignee: CSTW, Inc.
    Inventor: Cloyce D. Harrison
  • Retaining wall block
    Patent number: D342795
    Type: Grant
    Filed: August 27, 1992
    Date of Patent: December 28, 1993
    Assignee: CSTW, Inc.
    Inventor: Cloyce D. Harrison