Patents by Inventor David William Hoeft

David William Hoeft 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).

  • Toe cap for a shoe
    Patent number: D517306
    Type: Grant
    Filed: September 30, 2004
    Date of Patent: March 21, 2006
    Assignee: Columbia Insurance Company
    Inventor: David William Hoeft
  • Toe cap for a shoe
    Patent number: D519271
    Type: Grant
    Filed: September 30, 2004
    Date of Patent: April 25, 2006
    Assignee: Columbia Insurance Company
    Inventor: David William Hoeft
  • Toe cap for a shoe
    Patent number: D520723
    Type: Grant
    Filed: September 30, 2004
    Date of Patent: May 16, 2006
    Assignee: Columbia Insurance Company
    Inventor: David William Hoeft