Michel Guiffray

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80000 Amiens, FR

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Patents Grantslast 30 patents

Information Patent Grant
Container of flexible material for receiving a liquid
- Patent number 4,928,852
- Issue date May 29, 1990
- Michel Guiffray
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Container shaped in such manner as to be unoverturnable for receivi...
- Patent number 4,709,821
- Issue date Dec 1, 1987
- Michel Guiffray
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Method for manufacturing containers of a flexible or semi-rigid mat...
- Patent number 4,642,972
- Issue date Feb 17, 1987
- Michel Guiffray
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL