Patents by Inventor Margaret E. Enzien

Margaret E. Enzien 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).

  • Latch for a clip
    Patent number: D505059
    Type: Grant
    Filed: December 19, 2003
    Date of Patent: May 17, 2005
    Assignee: Holland USA, Inc.
    Inventors: Dominic D. Santa Maria, Margaret E. Enzien
  • Writing instrument
    Patent number: D506222
    Type: Grant
    Filed: April 27, 2004
    Date of Patent: June 14, 2005
    Assignee: Holland USA, Inc.
    Inventors: Dominic D. Santa Maria, Margaret E. Enzien
  • Writing instrument
    Patent number: D521555
    Type: Grant
    Filed: January 26, 2005
    Date of Patent: May 23, 2006
    Assignee: Holland USA, Inc.
    Inventors: Dominic D. Santa Maria, Margaret E. Enzien
  • Latch for a clip
    Patent number: D525858
    Type: Grant
    Filed: December 3, 2004
    Date of Patent: August 1, 2006
    Assignee: Holland USA, Inc.
    Inventors: Dominic D. Santa Maria, Margaret E. Enzien
  • Clip for a writing instrument
    Patent number: D538344
    Type: Grant
    Filed: July 6, 2005
    Date of Patent: March 13, 2007
    Assignee: Holland USA, Inc.
    Inventors: Dominic D. Santa Maria, Margaret E. Enzien
  • Writing instrument
    Patent number: D544915
    Type: Grant
    Filed: July 6, 2005
    Date of Patent: June 19, 2007
    Assignee: Holland USA, Inc.
    Inventors: Dominic D. Santa Maria, Margaret E. Enzien
  • Writing instrument
    Patent number: D548791
    Type: Grant
    Filed: July 6, 2005
    Date of Patent: August 14, 2007
    Assignee: Holland USA, Inc.
    Inventors: Dominic D. Santa Maria, Margaret E. Enzien
  • Writing instrument
    Patent number: D564027
    Type: Grant
    Filed: September 27, 2006
    Date of Patent: March 11, 2008
    Assignee: Holland USA, Inc.
    Inventors: Joseph E. Achzet, Margaret E. Enzien, Michael J. Terenzetti
  • Writing instrument
    Patent number: D565104
    Type: Grant
    Filed: December 21, 2006
    Date of Patent: March 25, 2008
    Assignee: Holland USA, Inc.
    Inventors: Joseph E. Achzet, Margaret E. Enzien, Philip A. Nowicki
  • Writing instrument
    Patent number: D565105
    Type: Grant
    Filed: December 21, 2006
    Date of Patent: March 25, 2008
    Assignee: Holland USA, Inc.
    Inventors: Joseph E. Achzet, Margaret E. Enzien, Philip A. Nowicki
  • Clip for a writing instrument
    Patent number: D484913
    Type: Grant
    Filed: June 4, 2003
    Date of Patent: January 6, 2004
    Assignee: Holland USA, Inc.
    Inventors: Dominic D. Santa Maria, Margaret E. Enzien
  • Clip for a writing instrument
    Patent number: D485301
    Type: Grant
    Filed: June 4, 2003
    Date of Patent: January 13, 2004
    Assignee: Holland USA, Inc.
    Inventors: Dominic D. Santa Maria, Margaret E. Enzien
  • Writing instrument
    Patent number: D568938
    Type: Grant
    Filed: October 30, 2006
    Date of Patent: May 13, 2008
    Assignee: Holland USA, Inc.
    Inventors: Joseph E. Achzet, Margaret E. Enzien, Michael J. Terenzetti
  • Writing instrument
    Patent number: D487114
    Type: Grant
    Filed: June 4, 2003
    Date of Patent: February 24, 2004
    Assignee: Holland U.S.A., Inc.
    Inventors: Dominic D. Santa Maria, Margaret E. Enzien
  • Clip for a writing instrument
    Patent number: D573189
    Type: Grant
    Filed: January 29, 2007
    Date of Patent: July 15, 2008
    Assignee: Holland USA, Inc.
    Inventors: Joseph E. Achzet, Margaret E. Enzien, Philip A. Nowicki, Michael J. Terenzetti
  • Writing instrument
    Patent number: D609745
    Type: Grant
    Filed: August 21, 2008
    Date of Patent: February 9, 2010
    Assignee: Holland USA, Inc.
    Inventors: Joseph E. Achzet, Margaret E. Enzien
  • Grip for a writing instrument
    Patent number: D609748
    Type: Grant
    Filed: August 21, 2008
    Date of Patent: February 9, 2010
    Assignee: Holland USA, Inc.
    Inventors: Joseph E. Achzet, Margaret E. Enzien
  • Clip for a writing instrument
    Patent number: D609749
    Type: Grant
    Filed: August 21, 2008
    Date of Patent: February 9, 2010
    Assignee: Holland USA, Inc.
    Inventors: Joseph E. Achzet, Margaret E. Enzien
  • Writing instrument
    Patent number: D622771
    Type: Grant
    Filed: July 6, 2009
    Date of Patent: August 31, 2010
    Assignee: Holland USA, Inc.
    Inventors: David M. Casciotti, Margaret E. Enzien, Joseph E. Achzet