Patents by Inventor Edward R. Bruchas

Edward R. Bruchas 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).

  • Sectionalized paperback book
    Patent number: 4440422
    Abstract: A paperback book has divider pages positioned at intervals between the pages of reading matter and perforations along its spine at such divider pages so that the book can be separated into one or more sections by tearing the spine along a perforation.
    Type: Grant
    Filed: August 4, 1982
    Date of Patent: April 3, 1984
    Inventor: Edward R. Bruchas