A method for locking or prohibiting an access to at least one object in an electronic conferencing system, includes the steps of: a) initiating an electronic conference in the conference initiator system having an electronic whiteboard, the electronic whiteboard containing at least one object; b) participating...http://www.google.com/patents/US6624827?utm_source=gb-gplus-sharePatent US6624827 - Apparatus and method for locking or prohibiting access to designated object displayed on shared electronic whiteboard
