Patents by Inventor David Michael Prokop

David Michael Prokop 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).

  • Folding knife handle with thumb support
    Patent number: D507469
    Type: Grant
    Filed: September 10, 2003
    Date of Patent: July 19, 2005
    Inventor: David Michael Prokop
  • Curved computer
    Patent number: D610581
    Type: Grant
    Filed: July 1, 2009
    Date of Patent: February 23, 2010
    Inventor: David Michael Prokop
  • Curved keyboard
    Patent number: D626961
    Type: Grant
    Filed: January 27, 2010
    Date of Patent: November 9, 2010
    Inventor: David Michael Prokop
  • Keyboard with touch display
    Patent number: D656939
    Type: Grant
    Filed: May 31, 2011
    Date of Patent: April 3, 2012
    Inventor: David Michael Prokop
  • Rolling pin
    Patent number: D665634
    Type: Grant
    Filed: November 19, 2011
    Date of Patent: August 21, 2012
    Inventor: David Michael Prokop