Walter L. Williams

Follow

Person

Denver, CO, US

People

Patents Grantslast 30 patents

Information Patent Grant
Dynamically generated adaptive elevator velocity profile
- Patent number 4,751,984
- Issue date Jun 21, 1988
- Otis Elevator Company
- Walter L. Williams
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Elevator inner and outer door zone sensor arrangement
- Patent number 4,674,604
- Issue date Jun 23, 1987
- Otis Elevator Company
- Walter L. Williams
- B66 - HOISTING LIFTING HAULING