Robert J. A. B. Lever

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Schoonhoven, NL

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Patents Grantslast 30 patents

Information Patent Grant
Structural element for three dimensional objects, e.g. furniture
- Patent number 4,684,282
- Issue date Aug 4, 1987
- Robert J. A. B. Lever
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Structural element for three-dimensional objects, e.g. furniture
- Patent number 4,216,255
- Issue date Aug 5, 1980
- Robert J. A. B. Lever
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...