Mark K. Heckler

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Ebikon, CH

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Patents Grantslast 30 patents

Information Patent Grant
Elevator door control responsive to obstructions
- Patent number 5,162,711
- Issue date Nov 10, 1992
- Inventio AG
- Mark Heckler
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Method and apparatus for providing pre-travel balancing energy to a...
- Patent number 4,793,442
- Issue date Dec 27, 1988
- Schindler Elevator Corporation
- Mark K. Heckler
- B66 - HOISTING LIFTING HAULING