BE

Brian D. Ellsworth

OE Otis Elevator: 1 patents #966 of 1,840Top 55%
Overall (All Time): #3,809,029 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5357064 Elevator hall call cross-cancellation device Robert C. Boyce, David M. Hughes, Bertram F. Kupersmith, Paul A. Stranieri 1994-10-18