Patents by Inventor Hans A. Turnwald

Hans A. Turnwald 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).

  • Napkin ring
    Patent number: 7290363
    Abstract: A napkin ring composed of a napkin holder and a receptacle. The receptacle holds a decorative element and further defines a slit for holding a card. The card is used to display information to an end user.
    Type: Grant
    Filed: October 13, 2005
    Date of Patent: November 6, 2007
    Inventor: Hans A. Turnwald
  • Napkin ring
    Publication number: 20070094908
    Abstract: A napkin ring composed of a napkin holder and a receptacle. The receptacle holds a decorative element and further defines a slit for holding a card. The card is used to display information to an end user.
    Type: Application
    Filed: October 13, 2005
    Publication date: May 3, 2007
    Inventor: Hans Turnwald
  • Corkscrew
    Patent number: 6308592
    Abstract: A force minimizing corkscrew which comprises a guiding holder, a cork engaging means which is inserted into said guiding holder, and a force generating member which is attached to said cork engaging means, after first placing upper and lower bearings between the elements.
    Type: Grant
    Filed: June 20, 2001
    Date of Patent: October 30, 2001
    Inventor: Hans A. Turnwald