Patents by Inventor David B. May

David B. May 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).

  • Hex locknut
    Patent number: D744821
    Type: Grant
    Filed: April 23, 2015
    Date of Patent: December 8, 2015
    Assignee: Security Locknut LLC
    Inventors: David B. May, Raymond Thomas Wiltgen
  • Square locknut
    Patent number: D775941
    Type: Grant
    Filed: April 23, 2015
    Date of Patent: January 10, 2017
    Assignee: Security Locknut, LLC
    Inventors: David B. May, Raymond Thomas Wiltgen
  • Locknut
    Patent number: D799315
    Type: Grant
    Filed: June 10, 2016
    Date of Patent: October 10, 2017
    Assignee: Security Locknut, LLC
    Inventors: David B. May, Raymond Thomas Wiltgen