Patents by Inventor Edilberto Abad Punzalan

Edilberto Abad Punzalan 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: 6128375
    Abstract: A single and versatile standalone apparatus that provides for remote control of several custom calling services such as call forward, call bridge, call transfer, conference call and call back. The apparatus is flexible enough to be further used as a remote store and forward dialer for various other services. The device is controlled by a microcontroller and has non-volatile memory to facilitate storage of configuration options. It can be connected directly to the analog public switched telephone network (PSTN) or to private branch exchanges (PBXs) supporting analog loop signaling. The device also has means to transmit and receive tone dialing and hook signals. Furthermore, the device supports both remote usage and reconfiguration. What this invention embodies is a single apparatus that is capable of handling several functions previously only available via several separate devices.
    Type: Grant
    Filed: November 12, 1997
    Date of Patent: October 3, 2000
    Inventors: Edilberto Abad Punzalan, Alejandro Bonifacio Soria, Jr.