Patents by Inventor Hariolf Briggl

Hariolf Briggl 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).

  • Writing instrument
    Patent number: D437888
    Type: Grant
    Filed: January 23, 1998
    Date of Patent: February 20, 2001
    Assignee: Merz & Krell GmbH & Co.
    Inventors: Hariolf Briggl, Siegfried Keil
  • Writing utensil
    Patent number: D442226
    Type: Grant
    Filed: April 19, 2000
    Date of Patent: May 15, 2001
    Assignee: Merz & Krell GmbH & Co.
    Inventor: Hariolf Briggl
  • Writing instrument
    Patent number: D443896
    Type: Grant
    Filed: August 12, 1999
    Date of Patent: June 19, 2001
    Assignee: Merz & Krell GmbH & Co.
    Inventors: Hariolf Briggl, Siegfried Keil
  • Writing utensil
    Patent number: D469123
    Type: Grant
    Filed: July 9, 2001
    Date of Patent: January 21, 2003
    Assignee: Merz & Krell GmbH & Co. KGaA
    Inventors: Hariolf Briggl, Marcus Korndoerfer
  • Writing utensil
    Patent number: D469467
    Type: Grant
    Filed: October 17, 2001
    Date of Patent: January 28, 2003
    Assignee: Merz & Krell GmbH & Co. KGaA
    Inventor: Hariolf Briggl
  • Writing utensil grip portion
    Patent number: D484912
    Type: Grant
    Filed: September 16, 2002
    Date of Patent: January 6, 2004
    Assignee: Merz & Krell GmbH & Co KGaA
    Inventor: Hariolf Briggl
  • Writing instrument
    Patent number: D491225
    Type: Grant
    Filed: July 9, 2002
    Date of Patent: June 8, 2004
    Assignee: Merz & Krell GmbH & Co. KGaA
    Inventors: Hariolf Briggl, Marcus Korndoerfer
  • Writing instrument
    Patent number: D374251
    Type: Grant
    Filed: October 19, 1994
    Date of Patent: October 1, 1996
    Assignee: Merz & Krell GmbH & Co.
    Inventor: Hariolf Briggl
  • Writing instrument
    Patent number: D380008
    Type: Grant
    Filed: October 13, 1995
    Date of Patent: June 17, 1997
    Assignee: Merz & Krell GmbH & Co.
    Inventor: Hariolf Briggl
  • Writing utensil with slanted tip
    Patent number: D416576
    Type: Grant
    Filed: March 27, 1998
    Date of Patent: November 16, 1999
    Assignee: Merz & Krell GmbH & Co.
    Inventor: Hariolf Briggl