Patents Represented by Law Firm Popvich & Wiles, P.A.
  • Retaining wall block system
    Patent number: 6149352
    Abstract: A retaining wall block includes blocks of different sizes that are configured to be compatible with each other in the construction of a retaining wall or free-standing wall. Each block has at least three faces which are textured to produce the appearance of natural stone. The faces have varying sizes based on variations in width.
    Type: Grant
    Filed: February 11, 1999
    Date of Patent: November 21, 2000
    Assignee: Keystone Retaining Wall Systems, Inc.
    Inventor: Robert A. MacDonald