Patents by Inventor James J. Kokenas

James J. Kokenas 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).

  • Lightweight collapsible sign
    Patent number: 6622408
    Abstract: The invention provides a portable, collapsible sign stand assembly in which a sign is suspended from a support tube. The support tube is connected to a support base through a connecting member which includes a plurality of weakening members which cause the connecting member to fail upon impact.
    Type: Grant
    Filed: December 20, 2001
    Date of Patent: September 23, 2003
    Assignee: Dicke Tool Company
    Inventors: Grant D. Dicke, James J. Kokenas, Donald E. Hans
  • Lightweight collapsible sign
    Publication number: 20020121036
    Abstract: The invention provides a portable, collapsible sign stand assembly in which a sign is suspended from a support tube. The support tube is connected to a support base through a connecting member which includes a plurality of weakening members which cause the connecting member to fail upon impact.
    Type: Application
    Filed: December 20, 2001
    Publication date: September 5, 2002
    Applicant: Dicke Tool Company
    Inventors: Grant D. Dicke, James J. Kokenas, Donald E. Hans