CF

Charles F. Fifield

OE Otis Elevator: 1 patents #966 of 1,840Top 55%
Overall (All Time): #3,799,810 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5321216 Restraining elevator car motion while the doors are open Eric K. Jamieson 1994-06-14