Jan E. Gismervik

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5064 Straumsgrend, NO

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Patents Grantslast 30 patents

Information Patent Grant
Magnetic float controlled electric switch
- Patent number 4,499,348
- Issue date Feb 12, 1985
- Jan E. Gismervik
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Apparatus for warning of the increase in draught of a floating arti...
- Patent number 4,357,892
- Issue date Nov 9, 1982
- Gunnar Sveinsbo
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT