Patents by Inventor David W. Rand

David W. Rand 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).

  • Guitar key
    Patent number: D586646
    Type: Grant
    Filed: June 13, 2008
    Date of Patent: February 17, 2009
    Inventor: David W. Rand
  • Electric guitar key
    Patent number: D607710
    Type: Grant
    Filed: March 30, 2009
    Date of Patent: January 12, 2010
    Inventor: David W. Rand
  • Golfin' key
    Patent number: D608618
    Type: Grant
    Filed: August 17, 2009
    Date of Patent: January 26, 2010
    Inventor: David W. Rand
  • Guitar key
    Patent number: D613148
    Type: Grant
    Filed: March 12, 2008
    Date of Patent: April 6, 2010
    Inventor: David W. Rand
  • Electric guitar key
    Patent number: D622577
    Type: Grant
    Filed: February 8, 2010
    Date of Patent: August 31, 2010
    Inventor: David W. Rand
  • Classic guitar key
    Patent number: D632947
    Type: Grant
    Filed: July 8, 2010
    Date of Patent: February 22, 2011
    Inventor: David W. Rand
  • Flying V guitar key
    Patent number: D633370
    Type: Grant
    Filed: July 8, 2010
    Date of Patent: March 1, 2011
    Inventor: David W. Rand
  • Balloon key
    Patent number: D663607
    Type: Grant
    Filed: August 12, 2011
    Date of Patent: July 17, 2012
    Inventor: David W. Rand
  • Basketball key
    Patent number: D691021
    Type: Grant
    Filed: July 19, 2012
    Date of Patent: October 8, 2013
    Inventor: David W. Rand
  • Baseball key
    Patent number: D691022
    Type: Grant
    Filed: July 19, 2012
    Date of Patent: October 8, 2013
    Inventor: David W. Rand
  • EXP guitar key
    Patent number: D707104
    Type: Grant
    Filed: May 21, 2013
    Date of Patent: June 17, 2014
    Inventor: David W. Rand
  • Classic guitar key
    Patent number: D716131
    Type: Grant
    Filed: September 9, 2013
    Date of Patent: October 28, 2014
    Inventor: David W. Rand
  • Light weapon key
    Patent number: D741685
    Type: Grant
    Filed: October 15, 2014
    Date of Patent: October 27, 2015
    Inventor: David W. Rand
  • Light sword key
    Patent number: D741686
    Type: Grant
    Filed: October 15, 2014
    Date of Patent: October 27, 2015
    Inventor: David W. Rand
  • Violin key
    Patent number: D741687
    Type: Grant
    Filed: October 15, 2014
    Date of Patent: October 27, 2015
    Inventor: David W. Rand
  • Ballerina key
    Patent number: D804284
    Type: Grant
    Filed: October 27, 2016
    Date of Patent: December 5, 2017
    Inventor: David W. Rand