Patents by Inventor Enrique E. Perera

Enrique E. Perera 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).

  • Handy casting chamber
    Patent number: 5257658
    Abstract: An inexpensive vacuum casting chamber is provided to considerable increase casting production in vacuum assist casting machines. This vacuum casting chamber will increase casting production in vacuum assist casting machines by allowing perforated flask to be casted in said machines.
    Type: Grant
    Filed: September 21, 1992
    Date of Patent: November 2, 1993
    Inventor: Enrique E. Perera