Patents by Inventor Domingo Perez-Alonso

Domingo Perez-Alonso 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).

  • Safety latches for portfolios, bags, suitcases and the like
    Patent number: 4228666
    Abstract: The present invention is related with improvements in safety closures for cases, bags, valises and the like, of the kind incorporating a male latch pin which is inserted into a female receptacle under pressure and which can be retained in the closed position by the action of a ratchet mechanism which is incorporated into a joined handle by means of a hinge mechanism of the lid portion of a container such as a suitcase.
    Type: Grant
    Filed: April 2, 1979
    Date of Patent: October 21, 1980
    Inventor: Domingo Perez-Alonso