Patents by Inventor Luis J. A. Lopez-Martinez

Luis J. A. Lopez-Martinez 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).

  • Process for the binding of books, magazines and the like
    Patent number: 4213220
    Abstract: A process for the binding of books, magazines and the like, without the use of staples or sewing, comprises forming a plurality of spaced notched cuts along the central fold line of each page section to be bound, folding each page section along the central fold so that the notched cuts form a plurality of spaced projections, and gluing together the overlapping projections of adjacent pages. The notched cuts may be made to different levels so that the overlapping projections lie in a stepped formation.
    Type: Grant
    Filed: October 24, 1978
    Date of Patent: July 22, 1980
    Inventor: Luis J. A. Lopez-Martinez