Ed Piedra — 1 Patent at Otis Elevator

Ed Piedra has been granted 1 US patent while listed as an inventor at Otis Elevator. All of these patents were granted in 2002. Ed Piedra ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Ed Piedra in Chicopee, MA, US.

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Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
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	$94,983,000

Ed Piedra — 1 Patent

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