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Ralf Backman
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Eksjo, SE
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last 30 patents
Information
Patent Grant
Buffering method and buffering system for newspaper production
Patent number
5,873,451
Issue date
Feb 23, 1999
Idab-Wamac AB
Ralf Backman
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Method and arrangement for opening a self-closing gripper on a grip...
Patent number
5,311,976
Issue date
May 17, 1994
Idab-Wamac AB
Ralf Backman
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Insertion of supplements into newspapers
Patent number
5,269,504
Issue date
Dec 14, 1993
Idab Wamac AB
Ralf Backman
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Insertion of supplements into newspapers
Patent number
5,165,672
Issue date
Nov 24, 1992
WAMAC AB
Ralf Backman
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Method and apparatus for wrapping a product, particularly wrapping...
Patent number
4,991,376
Issue date
Feb 12, 1991
WAMAC AB
Ralf Backman
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Newspaper stacking plant
Patent number
4,569,513
Issue date
Feb 11, 1986
Wamac-Idab AB
Ralf Backman
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Method and apparatus for coordinating streams of newspapers branche...
Patent number
4,546,962
Issue date
Oct 15, 1985
WAMAC AB
Ralf Backman
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL