WK

William Carl Karduck

OE Otis Elevator: 1 patents #966 of 1,840Top 55%
Overall (All Time): #2,894,552 of 4,157,543Top 70%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9998581 Communication system and method of communication in an elevator operating environment James Eugene Noxon, Erik W. Jefferson, Lashia Michael Yang 2018-06-12