Don B. Alley

Follow

Person

Sacramento, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Elevator control system and method
- Patent number 4,193,478
- Issue date Mar 18, 1980
- Elevator Industries
- Vernon P. Keller
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Elevator car generator-motor-brake control unit apparatus and method
- Patent number 4,116,306
- Issue date Sep 26, 1978
- Elevator Industries
- Don B. Alley
- B66 - HOISTING LIFTING HAULING