Patents by Inventor Donald H. Albrecht

Donald H. Albrecht 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).

  • Height compensating device
    Patent number: 5749555
    Abstract: A height compensating device made from a non-toxic material defining a support surface of a predetermined shape and having a periphery with a sidewall extending downwardly and outwardly from said sidewall. The surface of the support surface is roughened to the roughness of a quartz number 4 grit or greater. The structure has a weight of 8 pounds or greater.
    Type: Grant
    Filed: August 9, 1995
    Date of Patent: May 12, 1998
    Assignee: Composite Structures International, Inc.
    Inventor: Donald H. Albrecht
  • Height platform with drains
    Patent number: D396566
    Type: Grant
    Filed: August 19, 1997
    Date of Patent: August 4, 1998
    Assignee: Composite Structures International, Inc.
    Inventor: Donald H. Albrecht
  • Height platform
    Patent number: D408555
    Type: Grant
    Filed: August 19, 1997
    Date of Patent: April 20, 1999
    Assignee: Fibergrate Composite Structures Incorporated
    Inventor: Donald H. Albrecht