Patents by Inventor David Jonathon Mikelberg

David Jonathon Mikelberg 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).

  • Clapper board box
    Patent number: D387393
    Type: Grant
    Filed: January 22, 1996
    Date of Patent: December 9, 1997
    Assignee: B. E. Game Corporation
    Inventors: David Jonathon Mikelberg, John William Speakman, Daniel Isaac Wilchesky