Patents by Inventor Jose L. De La Sierra E.

Jose L. De La Sierra E. 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).

  • Patent number: 5227194
    Abstract: This invention pertains to a procedure for making reflecting plates, having reflective film, to be used for vehicle licenses and identification, whose identification characters are raised or depressed and then blocked with a paint or substance, using rollers to prevent them from being painted when the entire background or front of said plate, which is opaque, translucent or less reflective than the identification characters on said plate, is painted, and the product resulting from said process.
    Type: Grant
    Filed: July 25, 1991
    Date of Patent: July 13, 1993
    Inventor: Jose L. De La Sierra E.