John W. Grant

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Simsbury, CT, US

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Patents Grantslast 30 patents

Information Patent Grant
Elevator cross-dispatching system with inter group relative system...
- Patent number 8,172,043
- Issue date May 8, 2012
- Otis Elevator Company
- David M. Hughes
- B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents

Information Patent Application
Elevator Cross-Dispatching System with Inter Group Relative System...
- Publication number 20100025161
- Publication date Feb 4, 2010
- Otis Elevator Company
- David M. Hughes
- B66 - HOISTING LIFTING HAULING