DJ

David Wayne Jones

OE Otis Elevator: 2 patents #650 of 1,840Top 40%
Overall (All Time): #2,163,017 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7299896 Elevator system having drive motor located adjacent to hoistway door Leandre Adifon, Richard J. Ericson, Armando Servia, Jose Sevilleja 2007-11-27
6305499 Drum drive elevator using flat belt Yuji Kanzaki, Tadaaki Nabetani, Toshimitsu Mori, Shusaku Shibasaki, Yasuhisa Shioda +1 more 2001-10-23