Patents Assigned to J.D. Grinstead General Construction Company, Inc.
  • Component and method for restoring a stairway
    Patent number: 7073297
    Abstract: A fiberglass molded stairway component and method of using the component enables an old stairway to be removed and replaced by a new stairway while making reuse of the existing stringers and using new stair supports or stair supports previously used with the stairway being replaced.
    Type: Grant
    Filed: May 17, 2005
    Date of Patent: July 11, 2006
    Assignee: J. D. Grinstead General Construction Company, Inc.
    Inventor: John D. Grinstead
  • Component and method for restoring a stairway
    Patent number: 6895717
    Abstract: A fiberglass molded stairway component and method of using the component enables an old stairway to be removed and replaced by a new stairway while making reuse of the stringers and using new stair supports or stair supports previously used with the stairway being replaced.
    Type: Grant
    Filed: June 3, 2003
    Date of Patent: May 24, 2005
    Assignee: J.D. Grinstead General Construction Company, Inc.
    Inventor: John D. Grinstead