EP

Ed Piedra

OE Otis Elevator: 1 patents #966 of 1,840Top 55%
📍 Chicopee, MA: #60 of 120 inventorsTop 50%
🗺 Massachusetts: #56,664 of 88,656 inventorsTop 65%
Overall (All Time): #3,566,192 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6492788 Method and apparatus for encoderless operation of a permanent magnet synchronous motor in an elevator Ismail Agirman, Aleksandar M. Stankovic, Chris Czerwinski 2002-12-10