Francesco Pezzana

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Pregnana Milanese, IT

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Patents Grantslast 30 patents

Information Patent Grant
Laminated packaging films and related articles of manufacture havin...
- Patent number 4,568,580
- Issue date Feb 4, 1986
- W. R. Grace & Co., Cryovac Div.
- Ezio Ghirardello
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Apparatus for making multi-walled plastic bags
- Patent number 4,551,125
- Issue date Nov 5, 1985
- W. R. Grace & Co., Cryovac Div.
- Francesco Pezzana
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Multi-walled plastics bag
- Patent number 4,481,669
- Issue date Nov 6, 1984
- W. R. Grace & Co., Cryovac Div.
- Francesco Pezzana
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Process for making multi-walled plastic bag
- Patent number 4,273,549
- Issue date Jun 16, 1981
- W. R. Grace & Co.
- Francesco Pezzana
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL