Patents by Inventor Frank Sheu

Frank Sheu 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).

  • Combination pan
    Patent number: 5740937
    Abstract: A combination pan includes a steamer pan having longitudinal and transverse grooves intersected at its bottom side and through holes aligned in the longitudinal and transverse grooves, and a frying pan detachably covered over the bottom side of the steamer pan and having longitudinally and transversely aligned flat blocks raised from the top side of its bottom wall and separated from one another by longitudinal and transverse grooves and a plurality of annular ribs concentrically raised from the bottom side of its bottom wall in the middle.
    Type: Grant
    Filed: April 21, 1997
    Date of Patent: April 21, 1998
    Inventor: Frank Sheu