Patents by Inventor Amos Frank

Amos Frank 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).

  • Automatic book mark
    Patent number: 4941684
    Abstract: A book mark for use in combination with a book having a front cover, a back cover and a spine therebetween, comprises a clamp for releasable attachment to the book and a marker, integrally formed with the clamp and arranged to extend, in use, from the clamp generally outward of the spine of the book, for releasably marking a page in the book. The clamp and the marker are formed of a molded, flexible, resilient material.
    Type: Grant
    Filed: August 15, 1988
    Date of Patent: July 17, 1990
    Assignee: Joseph D. Ben-Dak
    Inventors: Amos Frank, Joel Kehat