Patents by Inventor Osvaldo A. Mantilla

Osvaldo A. Mantilla 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: 5446789
    Abstract: An electronic device, e.g., a cellular phone, which includes an extendable antenna for receiving electronic signals, the antenna being of hollow configuration and designed for receiving sound waves at a designated receiving portion thereon and for directing the sound waves through the hollow portion whereby the waves strike a microphone located within the device's housing. The device may also include a computer function to expand the capabilities of the device.
    Type: Grant
    Filed: February 17, 1995
    Date of Patent: August 29, 1995
    Assignee: International Business Machines Corporation
    Inventors: Robert D. Loy, Osvaldo A. Mantilla
  • Patent number: 4897055
    Abstract: A plug and socket arrangement is provided for allowing the making of a plurality of contacts sequentially. The socket has a set of circumferentially spaced contacts, and the plug also has a set of circumferentially spaced contacts positioned to coact with the contacts in the socket when the plug is inserted into the socket. At least two of the contacts in either the set of contacts on the plug or in the socket are axially spaced to thereby allow sequential making or breathing of contacts upon insertion or removal of the plug in the socket.
    Type: Grant
    Filed: November 28, 1988
    Date of Patent: January 30, 1990
    Assignee: International Business Machines Corp.
    Inventors: Thomas M. Jurista, Osvaldo A. Mantilla