PD

Patricia L. Driesch

OE Otis Elevator: 2 patents #650 of 1,840Top 40%
Overall (All Time): #2,015,185 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9457994 Method of assembling an elevator machine frame Zbigniew Piech, Stephen R. Nichols, Pawel Witczak, Benjamin J. Watson 2016-10-04
8631907 Elevator machine frame Zbigniew Piech, Stephen R. Nichols, Pawel Witczak, Benjamin J. Watson 2014-01-21