Companies to settle patent lawsuits 3Com Corp. , a maker of switches for corporate data networks, and PC-Tel Inc. agreed to end patent-infringement lawsuits. Each agreed to license the other's modem-related patents that were part of the litigation, which began in March 2003. PC-Tel also will supply wireless software and antennas to 3Com. PC-Tel will record as revenue during this quarter \$3.2 million it had ...