Patents by Inventor Hans Muckenfuss

Hans Muckenfuss 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).

  • Combined bird cage roof and bottom tray
    Patent number: D260306
    Type: Grant
    Filed: October 16, 1979
    Date of Patent: August 18, 1981
    Assignee: Rolf C. Hagen Ltd.
    Inventors: Michael Biro, Hans Muckenfuss
  • Combined bird cage roof and bottom tray
    Patent number: D260565
    Type: Grant
    Filed: October 16, 1979
    Date of Patent: September 1, 1981
    Assignee: Rolf C. Hagen Ltd.
    Inventors: Michael Biro, Hans Muckenfuss
  • Combined bird cage roof and bottom tray
    Patent number: D260566
    Type: Grant
    Filed: October 16, 1979
    Date of Patent: September 1, 1981
    Assignee: Rolf C. Hagen Ltd.
    Inventors: Michael Biro, Hans Muckenfuss