Patents by Inventor Albert K. Grethey

Albert K. Grethey 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).

  • Patent number: D247828
    Type: Grant
    Filed: June 28, 1976
    Date of Patent: May 2, 1978
    Assignee: UMC Industries, Inc.
    Inventors: Walter E. Moore, Albert K. Grethey
  • Patent number: D248121
    Type: Grant
    Filed: June 28, 1976
    Date of Patent: June 6, 1978
    Assignee: UMC Industries, Inc.
    Inventors: Walter E. Moore, Albert K. Grethey
  • Patent number: D249582
    Type: Grant
    Filed: June 28, 1976
    Date of Patent: September 19, 1978
    Assignee: UMC Industries, Inc.
    Inventors: Walter E. Moore, Albert K. Grethey
  • Patent number: D255907
    Type: Grant
    Filed: September 22, 1978
    Date of Patent: July 15, 1980
    Assignee: UMC Industries, Inc.
    Inventors: Walter E. Moore, Albert K. Grethey
  • Patent number: D255908
    Type: Grant
    Filed: September 22, 1978
    Date of Patent: July 15, 1980
    Assignee: UMC Industries, Inc.
    Inventors: Walter E. Moore, Albert K. Grethey
  • Patent number: D256031
    Type: Grant
    Filed: September 22, 1978
    Date of Patent: July 22, 1980
    Assignee: UMC Industries, Inc.
    Inventors: Walter E. Moore, Albert K. Grethey
  • Patent number: D262894
    Type: Grant
    Filed: September 26, 1978
    Date of Patent: February 2, 1982
    Assignee: UMC Industries, Inc.
    Inventors: Walter E. Moore, Albert K. Grethey
  • Patent number: D269190
    Type: Grant
    Filed: May 22, 1981
    Date of Patent: May 31, 1983
    Assignee: UMC Industries Inc.
    Inventors: Walter E. Moore, Albert K. Grethey