Patents by Inventor Miguel A. Porras

Miguel A. Porras 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).

  • Waiter signaling device
    Patent number: 5489887
    Abstract: A waiter signaling device comprising a pole having a lower base and an upper tip end, a light source coupled to the tip end, a power source for energizing the light source, a switch mechanism connected to the pole and operable in one orientation to energize the light source, thereby generating a signal indicating that service is required, and in another orientation to deenergize the light source, thereby generating a signal indicating that service is not required, and a coupling mechanism for coupling the base end of the pole to a table.
    Type: Grant
    Filed: December 20, 1993
    Date of Patent: February 6, 1996
    Inventor: Miguel A. Porras