Jean Grabowski

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Chalette, FR

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Patents Grantslast 30 patents

Information Patent Grant
By-pass connections obtained by molding a coating of a junction mat...
- Patent number 4,848,801
- Issue date Jul 18, 1989
- Hutchinson
- Jean Grabowski
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Device for sealingly fixing a tube or pipe to an end coupling
- Patent number 4,824,148
- Issue date Apr 25, 1989
- Hutchinson
- Jean Grabowski
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
By-pass connections obtained by molding a coating of a junction mat...
- Patent number 4,740,017
- Issue date Apr 26, 1988
- Hutchinson
- Jean Grabowski
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Bypass connections obtained by molding a coating of a junction mate...
- Patent number 4,650,220
- Issue date Mar 17, 1987
- Hutchinson
- Jean Grabowski
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...