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John Stofira

OE Otis Elevator: 1 patents #966 of 1,840Top 55%
Overall (All Time): #3,030,981 of 4,157,543Top 75%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9517921 Machine roomless hydraulic elevator system Frank Sansevero, A. Phillip Winey 2016-12-13