Patents by Inventor Donald C. Stiff

Donald C. Stiff 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: 9439467
    Abstract: Accessory structures for connection to straps of user-wearable accessories include a module, a first strap engagement structure disposed on a first side of the module, and a second strap engagement structure disposed on a second side of the module. The module may comprise at least one of an integral accessory device and an attachment feature configured for attachment to a separate accessory device. The strap engagement structures are configured for connection to straps of a user-wearable accessory. User-wearable accessory systems include such an accessory structure and a user-wearable accessory to which the accessory structure may be connected. Methods include the formation of such an accessory structure. Additional methods include the connection of such an accessory structure to a user-wearable accessory.
    Type: Grant
    Filed: June 14, 2012
    Date of Patent: September 13, 2016
    Assignee: SKULLCANDY, INC.
    Inventors: Donald C. Stiff, Peter M. Kelly, Zack Leader, David George Vogt, Jr.
  • Publication number: 20130185905
    Abstract: Accessory structures for connection to straps of user-wearable accessories include a module, a first strap engagement structure disposed on a first side of the module, and a second strap engagement structure disposed on a second side of the module. The module may comprise at least one of an integral accessory device and an attachment feature configured for attachment to a separate accessory device. The strap engagement structures are configured for connection to straps of a user-wearable accessory. User-wearable accessory systems include such an accessory structure and a user-wearable accessory to which the accessory structure may be connected. Methods include the formation of such an accessory structure. Additional methods include the connection of such an accessory structure to a user-wearable accessory.
    Type: Application
    Filed: June 14, 2012
    Publication date: July 25, 2013
    Applicant: SKULLCANDY, INC.
    Inventors: Donald C. Stiff, Peter M. Kelly, Zackary Leader, David G. Vogt, JR.
  • Patent number: D673136
    Type: Grant
    Filed: November 18, 2011
    Date of Patent: December 25, 2012
    Assignee: Skullcandy, Inc.
    Inventors: Peter M. Kelly, Daniel A. Levine, Donald C. Stiff
  • Patent number: D673140
    Type: Grant
    Filed: December 19, 2011
    Date of Patent: December 25, 2012
    Assignee: Skullcandy, Inc.
    Inventors: Peter M. Kelly, Daniel A. Levine, Donald C. Stiff
  • Patent number: D674372
    Type: Grant
    Filed: October 10, 2011
    Date of Patent: January 15, 2013
    Assignee: Skullcandy, Inc.
    Inventors: Peter M. Kelly, Daniel A. Levine, Donald C. Stiff
  • Patent number: D674376
    Type: Grant
    Filed: October 10, 2011
    Date of Patent: January 15, 2013
    Assignee: Skull Candy, Inc.
    Inventors: Peter M. Kelly, Daniel A. Levine, Donald C. Stiff
  • Patent number: D676023
    Type: Grant
    Filed: January 24, 2012
    Date of Patent: February 12, 2013
    Assignee: Skullcandy, Inc.
    Inventors: Peter M. Kelly, Donald C. Stiff, David George Vogt, Jr.
  • Patent number: D676024
    Type: Grant
    Filed: January 24, 2012
    Date of Patent: February 12, 2013
    Assignee: Skullcandy, Inc.
    Inventors: Peter M. Kelly, Donald C. Stiff, David George Vogt, Jr., Jon Lee Anderson
  • Patent number: D685759
    Type: Grant
    Filed: December 19, 2011
    Date of Patent: July 9, 2013
    Assignee: Skullcandy, Inc.
    Inventors: Peter M. Kelly, Daniel A. Levine, Donald C. Stiff
  • Patent number: D685767
    Type: Grant
    Filed: December 19, 2011
    Date of Patent: July 9, 2013
    Assignee: Skullcandy, Inc.
    Inventors: Peter M. Kelly, Daniel A. Levine, Donald C. Stiff
  • Patent number: D683717
    Type: Grant
    Filed: November 29, 2012
    Date of Patent: June 4, 2013
    Assignee: Skullcandy, Inc.
    Inventors: Peter M. Kelly, Daniel A. Levine, Donald C. Stiff
  • Patent number: D701193
    Type: Grant
    Filed: July 9, 2013
    Date of Patent: March 18, 2014
    Assignee: Skullcandy, Inc.
    Inventors: Peter M. Kelly, Daniel A. Levine, Donald C. Stiff
  • Patent number: D701196
    Type: Grant
    Filed: December 26, 2012
    Date of Patent: March 18, 2014
    Assignee: Skullcandy, Inc.
    Inventors: Peter M. Kelly, Donald C. Stiff, David G. Vogt, Jr.
  • Patent number: D701197
    Type: Grant
    Filed: December 26, 2012
    Date of Patent: March 18, 2014
    Assignee: Skullcandy, Inc.
    Inventors: Peter M. Kelly, Donald C. Stiff, David G. Vogt, Jr.
  • Patent number: D733682
    Type: Grant
    Filed: September 25, 2013
    Date of Patent: July 7, 2015
    Assignee: Skullcandy, Inc.
    Inventors: Peter M. Kelly, Donald C. Stiff
  • Patent number: D757678
    Type: Grant
    Filed: July 25, 2014
    Date of Patent: May 31, 2016
    Assignee: Skullcandy, Inc.
    Inventors: Peter M. Kelly, David G. Vogt, Jr., Donald C. Stiff, Lucas Wright-Moore
  • Patent number: D813844
    Type: Grant
    Filed: July 20, 2015
    Date of Patent: March 27, 2018
    Assignee: Skullcandy, Inc.
    Inventors: Donald C. Stiff, Peter M. Kelly, David G. Vogt, Jr.