Patents by Inventor Sam Sandberg

Sam Sandberg 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).

  • Earring
    Patent number: D506406
    Type: Grant
    Filed: August 29, 2003
    Date of Patent: June 21, 2005
    Assignee: Sandberg & Sikorski Diamond Corp.
    Inventor: Sam Sandberg
  • Earring
    Patent number: D507985
    Type: Grant
    Filed: August 29, 2003
    Date of Patent: August 2, 2005
    Assignee: Sandberg & Sikorski Diamond Corp.
    Inventor: Sam Sandberg
  • Ring shank
    Patent number: D513204
    Type: Grant
    Filed: May 21, 2004
    Date of Patent: December 27, 2005
    Assignee: Sandberg & Sikorski Corporation
    Inventor: Sam Sandberg
  • Double shank ring
    Patent number: D520897
    Type: Grant
    Filed: November 30, 2004
    Date of Patent: May 16, 2006
    Assignee: Sandberg & Sikorski Corporation
    Inventor: Sam Sandberg
  • Ring guard
    Patent number: D525555
    Type: Grant
    Filed: April 29, 2005
    Date of Patent: July 25, 2006
    Assignee: Sandberg & Sikorski Corporation
    Inventor: Sam Sandberg
  • Ring and guard assembly
    Patent number: D525556
    Type: Grant
    Filed: April 29, 2005
    Date of Patent: July 25, 2006
    Assignee: Sandberg & Sikorski Corporation
    Inventor: Sam Sandberg
  • Ring
    Patent number: D528457
    Type: Grant
    Filed: June 1, 2005
    Date of Patent: September 19, 2006
    Assignee: Sandberg & Sikorski Corporation
    Inventor: Sam Sandberg
  • Ring
    Patent number: D542691
    Type: Grant
    Filed: June 1, 2005
    Date of Patent: May 15, 2007
    Assignee: Sandberg & Sikorski Corporation
    Inventor: Sam Sandberg
  • Jewelry setting
    Patent number: D544810
    Type: Grant
    Filed: March 20, 2006
    Date of Patent: June 19, 2007
    Assignee: Sandberg & Sikorski Corporation
    Inventor: Sam Sandberg
  • Jewelry element
    Patent number: D547229
    Type: Grant
    Filed: December 8, 2006
    Date of Patent: July 24, 2007
    Assignee: Sandberg & Sikorski Corporation
    Inventors: Sam Sandberg, Youn Hee Shin
  • Jewelry element
    Patent number: D589391
    Type: Grant
    Filed: July 31, 2008
    Date of Patent: March 31, 2009
    Assignee: Sandberg & Sikorski Corporation
    Inventor: Sam Sandberg
  • Jewelry element
    Patent number: D604659
    Type: Grant
    Filed: March 25, 2009
    Date of Patent: November 24, 2009
    Assignee: Sandberg & Sikorski Corporation
    Inventor: Sam Sandberg
  • Jewelry element
    Patent number: D605967
    Type: Grant
    Filed: March 25, 2009
    Date of Patent: December 15, 2009
    Assignee: Sandberg & Sikorski Corporation
    Inventor: Sam Sandberg
  • Jewelry element
    Patent number: D610481
    Type: Grant
    Filed: July 15, 2009
    Date of Patent: February 23, 2010
    Assignee: Sandberg & Sikorski Corporation
    Inventor: Sam Sandberg
  • Jewelry element
    Patent number: D610933
    Type: Grant
    Filed: May 8, 2009
    Date of Patent: March 2, 2010
    Assignee: Firestone, Inc.
    Inventor: Sam Sandberg
  • Jewelry element
    Patent number: D615899
    Type: Grant
    Filed: July 15, 2009
    Date of Patent: May 18, 2010
    Assignee: Sandberg & Sikorski Corporation
    Inventor: Sam Sandberg
  • Jewelry pendant
    Patent number: D634235
    Type: Grant
    Filed: November 12, 2010
    Date of Patent: March 15, 2011
    Assignee: Sandberg & Sikorski Corporation
    Inventor: Sam Sandberg
  • Pendant
    Patent number: D653985
    Type: Grant
    Filed: October 13, 2011
    Date of Patent: February 14, 2012
    Assignee: Firestar Diamond, Inc.
    Inventor: Sam Sandberg
  • Pendant
    Patent number: D653986
    Type: Grant
    Filed: October 13, 2011
    Date of Patent: February 14, 2012
    Assignee: Firestar Diamond, Inc.
    Inventor: Sam Sandberg
  • Pendant
    Patent number: D653991
    Type: Grant
    Filed: October 13, 2011
    Date of Patent: February 14, 2012
    Assignee: Firestar Diamond, Inc.
    Inventor: Sam Sandberg