Patents by Inventor Frederick W. Haase

Frederick W. Haase 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: D246454
    Type: Grant
    Filed: September 15, 1976
    Date of Patent: November 22, 1977
    Assignee: Milgo Electronic Corporation
    Inventors: John S. Ebner, Sheldon Steinman, Frederick W. Haase
  • Patent number: D247114
    Type: Grant
    Filed: September 15, 1976
    Date of Patent: January 31, 1978
    Assignee: Milgo Electronics Corporation
    Inventors: John S. Ebner, Sheldon Steinman, Frederick W. Haase