Inventor
WINCHELL DAVID F
US12 patents
⚠️ This page may combine multiple inventors who share the name “WINCHELL DAVID F”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AT & T BELL LAB
9 patentsUS4635251AJan 6, 1987
Meet-me conference with control capabilities
AT & T BELL LAB135 citations96
US4475189AOct 2, 1984
Automatic interactive conference arrangement
AT & T BELL LAB223 citations96
US4653045AMar 24, 1987
Interactive facility control arrangement
AT & T BELL LAB96 citations95
US4544804AOct 1, 1985
Conference control transfer arrangement
AT & T BELL LAB133 citations94
US4540850ASep 10, 1985
Method and apparatus for controlling a conference
AT & T BELL LAB98 citations94
US4460807AJul 17, 1984
Conference routing arrangement
AT & T BELL LAB59 citations94
US4550224AOct 29, 1985
Method and apparatus for adding conferees to a conference
AT & T BELL LAB36 citations92
US4529842AJul 16, 1985
Automatic fault recovery arrangement
AT & T BELL LAB28 citations84
US4479211AOct 23, 1984
Method and apparatus for controlling ports in a digital conference arrangement
AT & T BELL LAB23 citations76