Henri Kummerman

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Geneva, CH

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Patents Grantslast 30 patents

Information Patent Grant
Device for operating hatch covers or the like composed of panels
- Patent number 4,193,439
- Issue date Mar 18, 1980
- MacGregor International S.A.
- Henri Kummerman
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Device for retracting or extending a movable access ramp
- Patent number 4,142,640
- Issue date Mar 6, 1979
- MacGregor International S.A.
- Henri Kummerman
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT