Patents by Inventor Stephen C. Hamel

Stephen C. Hamel 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).

  • Patent number: D444939
    Type: Grant
    Filed: September 27, 2000
    Date of Patent: July 17, 2001
    Assignee: HYI
    Inventor: Stephen C. Hamel
  • Patent number: D520729
    Type: Grant
    Filed: April 29, 2005
    Date of Patent: May 16, 2006
    Assignee: ACI International
    Inventor: Stephen C. Hamel
  • Patent number: D549438
    Type: Grant
    Filed: August 16, 2006
    Date of Patent: August 28, 2007
    Assignee: ACI International
    Inventor: Stephen C. Hamel
  • Patent number: D399044
    Type: Grant
    Filed: September 24, 1997
    Date of Patent: October 6, 1998
    Assignee: Hawe Yue, Inc.
    Inventor: Stephen C. Hamel
  • Patent number: D401051
    Type: Grant
    Filed: March 3, 1998
    Date of Patent: November 17, 1998
    Assignee: Hawe Yue, Inc.
    Inventor: Stephen C. Hamel
  • Patent number: D405238
    Type: Grant
    Filed: September 24, 1997
    Date of Patent: February 9, 1999
    Assignee: Hawe Yue, Inc.
    Inventor: Stephen C. Hamel
  • Patent number: D405593
    Type: Grant
    Filed: July 17, 1998
    Date of Patent: February 16, 1999
    Assignee: Hawe Yue, Inc. (HYI)
    Inventor: Stephen C. Hamel
  • Patent number: D405598
    Type: Grant
    Filed: July 14, 1998
    Date of Patent: February 16, 1999
    Assignee: Hawe Yue Inc. (HYI)
    Inventor: Stephen C. Hamel
  • Patent number: D405599
    Type: Grant
    Filed: July 14, 1998
    Date of Patent: February 16, 1999
    Assignee: Hawe Yue, Inc. (HYI)
    Inventor: Stephen C. Hamel
  • Patent number: D405600
    Type: Grant
    Filed: July 14, 1998
    Date of Patent: February 16, 1999
    Assignee: Hawe Yue, Inc. (HYI)
    Inventor: Stephen C. Hamel