David E. Parekh

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Farmington, CT, US

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Patents Grantslast 30 patents

Information Patent Grant
Elevator virtual aerodynamic shroud
- Patent number 10,246,300
- Issue date Apr 2, 2019
- Otis Elevator Company
- David R. Polak
- B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents

Information Patent Application
Elevator Virtual Aerodynamic Shroud
- Publication number 20170001838
- Publication date Jan 5, 2017
- Otis Elevator Company
- David R. Polak
- B66 - HOISTING LIFTING HAULING