FS

Fred R. Spielman

OE Otis Elevator: 2 patents #650 of 1,840Top 40%
Overall (All Time): #2,064,804 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8356697 Elevator safety system and method John J. Kriss, Loren Fanion, Daniel Greer 2013-01-22
7726459 Passenger conveyor step having an acoustic barrier Vijay Jayachandran, Goldino Alves, Dave Jarvis 2010-06-01