Patents by Inventor Igor P. Malinowski

Igor P. Malinowski 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).

  • Card-like device having a microprocessor and speaker for communicating with a telephone line
    Patent number: 4995077
    Abstract: A card-like device having a microprocessor and a speaker to communicate with telephone line, the device also including a single switch which when depressed by a user first activates the device and then causes a DTMF signal to be generated.
    Type: Grant
    Filed: October 30, 1989
    Date of Patent: February 19, 1991
    Inventor: Igor P. Malinowski