Patents by Inventor Brendan F. Farrell

Brendan F. Farrell 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).

  • Keyboard security device
    Patent number: 4802210
    Abstract: The invention provides a keyboard security device for preventing access to a keyboard, such as the digit keys of the keyboard of a digital telephone. The device comprises a base framework with a releasable and removable cover. An engagement member engages a recess in a side member of the framework. Locking means provided by resilient members on the cover engage openings in an inner wall of the framework. A key with spuds corresponding to the resilient members is pivotal in a key accommodating slot to engage the resilient members and disengage them from the openings.
    Type: Grant
    Filed: June 22, 1987
    Date of Patent: January 31, 1989
    Assignee: Institute for Industrial Research and Standards
    Inventors: Joseph P. Spencer, Brendan F. Farrell