Patents by Inventor Demetrios Vrotsos

Demetrios Vrotsos 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: 7363054
    Abstract: Embodiments of the present invention are directed to an attachment that may be coupled to a wireless communication device, such as a cellular telephone, personal digital assistant (PDA), or the like to perform commercial or other information transactions, as well as to an apparatus, system and method for conducting such transactions. The wireless communication device generally includes an antenna that may be directly accessed by a processor in the attachment for transmission of data to a remote computer over a communication network. The attachment may also include an input device, such as a magnetic stripe reader, smartcard reader, barcode scanner, optical scanner, fingerprint scanner, proximity detector, or the like. When input is received at the input device, the input information may be sent to the attachment processor for processing and transmission to the remote computer via the antenna.
    Type: Grant
    Filed: February 17, 2006
    Date of Patent: April 22, 2008
    Assignee: Virtual Fonlink, Inc.
    Inventors: Georges F. Elias, Demetrios Vrotsos
  • Publication number: 20060142058
    Abstract: Embodiments of the present invention are directed to an attachment that may be coupled to a wireless communication device, such as a cellular telephone, personal digital assistant (PDA), or the like to perform commercial or other information transactions, as well as to an apparatus, system and method for conducting such transactions. The wireless communication device generally includes an antenna that may be directly accessed by a processor in the attachment for transmission of data to a remote computer over a communication network. The attachment may also include an input device, such as a magnetic stripe reader, smartcard reader, barcode scanner, optical scanner, fingerprint scanner, proximity detector, or the like. When input is received at the input device, the input information may be sent to the attachment processor for processing and transmission to the remote computer via the antenna.
    Type: Application
    Filed: February 17, 2006
    Publication date: June 29, 2006
    Applicant: VIRTUAL PONLINK, INC.
    Inventors: Georges Elias, Demetrios Vrotsos
  • Publication number: 20050236480
    Abstract: An attachment that may be coupled to a wireless communication device, such as a cellular telephone, personal digital assistant (PDA), or the like, to perform commercial or other information transactions, as well as to an apparatus or system for conducting such transactions. The wireless communication device generally includes an antenna that may be directly accessed by a processor in the attachment for transmission of data to a remote computer over a communication network. The attachment may also include an input device, such as a magnetic stripe reader, smartcard reader, barcode scanner, optical scanner, fingerprint scanner, proximity detector, or the like. When input is received at the input device, the input information may be sent to the attachment processor for processing and transmission to the remote computer via the antenna. The remote computer may process the received attachment-processed data and generate a response to send to the device processor.
    Type: Application
    Filed: April 23, 2004
    Publication date: October 27, 2005
    Applicant: VIRTUAL FONLINK, INC.
    Inventors: Demetrios Vrotsos, Georges Elias