Patents by Inventor Patrick M. Sahf

Patrick M. Sahf 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).

  • Pen holder
    Patent number: 5405024
    Abstract: Disclosed is a pen holder device having two pen holders, one mounted vertically above the other. In each pen holder is a reduced enclosed end for receiving a pen tip, and a seal adjacent the enclosed end to prevent air circulation around the pen tip when the pen in the holder.
    Type: Grant
    Filed: November 4, 1993
    Date of Patent: April 11, 1995
    Inventor: Patrick M. Sahf